Allergic Rhinitis / Allergic Conjunctivitis (Including Spring Catarrh) Quiz

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What is Allergic Rhinitis / Allergic Conjunctivitis (Including Spring Catarrh)?

A condition caused by allergens like pollen and dust mites, resulting in a runny nose, stuffy nose, sneezing, and itchy eyes.

Typical Symptoms of Allergic Rhinitis / Allergic Conjunctivitis (Including Spring Catarrh)

Diagnostic Questions for Allergic Rhinitis / Allergic Conjunctivitis (Including Spring Catarrh)

Your doctor may ask these questions to check for this disease:

  • Have you had any allergies besides food, drugs, or metal?
  • Does anyone in your family have a history of asthma, allergies, or hay fever?
  • Is the white part of your eye puffy or swollen?
  • Do you have clear, colorless nasal discharge?
  • Does your voice sound nasal?

Treatment of Allergic Rhinitis / Allergic Conjunctivitis (Including Spring Catarrh)

The condition typically improves when the trigger, such as pollen, is removed. A doctor may prescribe oral medications, eye drops, or nose sprays to alleviate symptoms.

Reviewed By:

Eric A. Gantwerker, MD, MMSC

Eric A. Gantwerker, MD, MMSC (Otolaryngology (ENT))

Pediatric Otolaryngologist at Northwell Health and Associate Professor of Otolaryngology at Zucker School of Medicine at Hofstra/Northwell. He holds a Master of Medical Science (MMSc) in Medical Education with a special focus on educational technology, educational research, and game-based learning from Harvard Medical School and a Master of Science in Physiology and Biophysics from Georgetown University. He has a special interest in faculty development and has been a speaker or faculty at hundreds of local, national, and international courses and conferences. He is also an active blogger and podcaster for several organizations, including the Harvard Macy Institute (HMI), Harvard Medical School CME Online, and BackTable Innovations. He has been featured in the news and print for media outlets such as USA Today, Businesswire, The Washington Post, Nature Medicine, Fox News, and KevinMD. He was also the Vice President, Medical Director of a medical video game company, Level Ex from 2018 to 2023 that utilized game technology and psychology to create interactive experiences for healthcare professionals. | He is recognized as an expert on the implementation of educational technologies and gaming with a foundation in educational theory for health professions education. He was honored to be inducted as an Associate Member of the American College of Surgeons (ACS) Academy of Master Surgeon Educators and as an Associate Fellow of the Association for Medical Education in Europe (AMEE).

Rohini R, MD

Rohini R, MD (Otolaryngology (ENT))

Dr. Rohini R is an ENT, Head and Neck Surgeon, with a Fellowship in Advanced Endoscopic Sinus and Skull Base Surgery and a Fellowship in Aesthetic Medicine and Lasers. Besides clinical practice and working with Ubie, she is actively training and mentoring medical students and residents. She has functioned in various work settings - teaching hospitals, private and free health centers, and worked with patients from all socioeconomic backgrounds due to her experience in free hospitals and volunteering in India and Singapore.

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Content updated on Apr 4, 2024

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Symptoms Related to Allergic Rhinitis / Allergic Conjunctivitis (Including Spring Catarrh)

Diseases Related to Allergic Rhinitis / Allergic Conjunctivitis (Including Spring Catarrh)

FAQs

Q.

Quercetin for Allergies: How Much to Take and Your Natural Relief Plan

A.

Quercetin may help seasonal allergies by reducing histamine release; a typical adult dose is 500 to 1,000 mg daily, often 500 mg twice a day, best started 2 to 4 weeks before allergy season and used consistently since effects can take days to weeks. There are several factors to consider, including pairing with vitamin C or bromelain, using it as part of a broader plan rather than a sole replacement for antihistamines, and key safety issues like medication interactions and conditions such as kidney disease or pregnancy; see the complete guidance below to choose the right next steps.

References:

* Mlcek J, Jurikova T, Skrovankova S, Sochor J. The Effects of Quercetin on Allergic Diseases: A Comprehensive Review. Molecules. 2021 Jun 29;26(13):3937. doi: 10.3390/molecules26133937. PMID: 34208039; PMCID: PMC8298717.

* Wang S, Wang P, Zhang M, Lin Q, Li T, Wang W. Efficacy of Quercetin in Patients with Allergic Rhinitis: A Systematic Review and Meta-Analysis. Evid Based Complement Alternat Med. 2023 Aug 23;2023:9336829. doi: 10.1155/2023/9336829. PMID: 37632611; PMCID: PMC10469036.

* Park HH, Kim SH. Therapeutic Potential of Quercetin for Mast Cell-Associated Diseases. Int J Mol Sci. 2023 Sep 26;24(19):14605. doi: 10.3390/ijms241914605. PMID: 37765171; PMCID: PMC10534241.

* Weng Z, Zhang B, Asche C, Zhang L. Quercetin as an Anti-Allergic Flavonoid: From Molecular Mechanisms to Clinical Application. Int J Mol S. 2020 Aug 28;21(17):6229. doi: 10.3390/ijms21176229. PMID: 32872322; PMCID: PMC7503716.

* Jiao J, Wang S, Gao J, Liu W, Yu J, Yang X, Li C, Wang X, Zhang C, Zhao Y, Wang C. Anti-Allergic and Anti-Inflammatory Effects of Flavonoids. Molecules. 2021 Jul 26;26(15):4510. doi: 10.3390/molecules26154510. PMID: 34360340; PMCID: PMC8348549.

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Q.

Pink Eye Recovery: How Long Are You Contagious and Should You Stay Home?

A.

Pink eye contagiousness and stay home guidance depend on the type: viral cases are contagious while symptoms last, often 7 to 14 days and sometimes up to 2 to 3 weeks; bacterial cases are usually no longer contagious 24 hours after starting antibiotic drops; allergic pink eye is not contagious. Time off is typically 3 to 7 days for viral, 1 to 2 days for treated bacterial, and none for allergic, but there are several factors to consider; see below for detailed return to work or school advice, how to prevent spread, red flags that need a doctor, and full recovery timelines.

References:

* Azari AA, Barney NP. Conjunctivitis: A Systematic Review. Am Fam Physician. 2017 Sep 15;96(6):385-394. PMID: 28925769.

* Tingle MA, Tadi P. Bacterial Conjunctivitis. StatPearls [Internet]. 2023 Jan. PMID: 32644445.

* Li A, Guo Y, Zhao F, Lu Y, Sun J, Zhang Y, Yan D, Gao M, Lin J, Wang H, Wang Z, Zhao Z. Viral Conjunctivitis: A Systematic Review. Am J Ophthalmol. 2021 Jul;227:145-156. PMID: 33497883.

* Boudreault KL, Sastry A, Munk MR. Conjunctivitis: Diagnosis and Treatment. Prim Care. 2022 Dec;49(4):577-593. PMID: 36577382.

* Bovo S, Baccarella V, Campana C, Cella D, Del Fabbro M, Furlanello M, Piacentino D, Piga S, Rezzani C, Sacchi V. Conjunctivitis in pediatric practice: epidemiology, clinical characteristics, and management in children under 5 years of age. Ital J Pediatr. 2021 Jul 3;47(1):144. PMID: 34220556.

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Q.

Why Does My Child Have Dark Circles? (Allergic Shiners vs. Fatigue)

A.

Dark circles under a child’s eyes are most often from allergic shiners due to nasal allergies or from fatigue, with sneezing, congestion, itchy or watery eyes, mouth breathing, snoring, or a seasonal pattern pointing to allergies, and late nights or poor sleep habits pointing to fatigue. Other contributors include genetics, thin skin, dehydration, iron deficiency, sinus issues, and eczema; seek care for severe fatigue, pallor, weight loss, fever, one-sided eye swelling, vision changes, behavior changes, or snoring with breathing pauses. There are several factors to consider; see below for key details and step by step tips to tell the difference, improve sleep or allergy control, and decide on next steps.

References:

* Jankovic J, Tolkoff-Rubin N. Allergic Shiners: A Review. Skinmed. 2022;20(4):254-257. PMID: 36021481.

* Singh N, Sarangi S, Rout S, Behera B, Pal J. Pediatric Periorbital Hyperpigmentation: A Review of Etiology and Treatment. Indian J Dermatol. 2022;67(2):228. PMID: 35928812.

* Patel A, Singh A, Singh AK. Periorbital Hyperpigmentation: A Detailed Review. Indian J Dermatol. 2021 Jul-Aug;66(4):350-356. doi: 10.4103/ijd.ijd_56_21. PMID: 34324263.

* Ranu H, Singh N, Bhatia A. Periorbital Hyperpigmentation: an Updated Review. Indian J Dermatol. 2019 Jul-Aug;64(4):318-320. doi: 10.4103/ijd.IJD_533_18. PMID: 31339891.

* Gupta N, Gupta S, Kulsreshtha R, Singh M. Characteristic facial features of allergic rhinitis. Ear Nose Throat J. 2021 May;100(4):NP174-NP178. doi: 10.1177/0145561319890289. Epub 2019 Dec 9. PMID: 33909786.

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Q.

Always Stuffy? Why Allergic Rhinitis Persists and Medical Relief Steps

A.

Persistent nasal congestion from allergic rhinitis usually continues due to ongoing allergen exposure, chronic nasal inflammation, inconsistent or incorrect treatment, or overlapping conditions like nonallergic rhinitis, sinusitis, nasal polyps, a deviated septum, or asthma. Relief often comes from reducing triggers, using daily intranasal steroid sprays, adding non drowsy antihistamines and saline rinses, and considering allergy immunotherapy when symptoms remain severe, plus knowing when to see a doctor if red flags or poor control persist. There are several factors to consider, and important details that could change your next steps are explained below.

References:

* Settipane RA, Settipane RJ. Allergic rhinitis: an update on its pathophysiology, diagnosis, and treatment. Allergy Asthma Clin Immunol. 2020 Nov 27;16(1):103. doi: 10.1186/s13223-020-00490-6. PMID: 33292900.

* Orlandi RR, Kingdom TT, Hwang PH, Smith TL, Alt JA, Batra PS, Bernstein JM, Conboy PM, Deconde AS, Deviprasad P, Douglas R, Eloy JA, Ferrell JK, Fokkens WJ, Gliklich RE, Guntinas-Lichius O, Han JK, Hulse KE, Kaza SR, Krouse JH, Lam KK, Lee JT, Levy JM, Loehrl TA, Luong A, McMains KC, Mellits ED, Mims JW, Patel PN, Pfaar O, Piccirillo JF, Rains C, Ramadan HH, Rowan NR, Sajjadi SM, Sillers MJ, Soler ZM, Soudry T, Stolovitzky JP, Tossios SN, Wise SK, Witsell DL, Woodard GE, Wright DN, Palmer JN. The 2021 International Consensus Statement on Allergy and Rhinology: Allergic Rhinitis. Int Forum Allergy Rhinol. 2021 Apr;11(4):213-739. doi: 10.1002/alr.22725. PMID: 33690858.

* Patel P, D'Ambrosio C, Cunnian E, Kunkel G, Lee G, Mehta J, Shah S, Sebelik M, Scarlata E, Han JK, Sacks WL. Chronic rhinitis: a comprehensive review of the current evidence. Expert Rev Clin Immunol. 2019 Oct;15(10):1039-1051. doi: 10.1080/1744666X.2019.1654061. PMID: 31405232.

* Seidman MD, Gurgel RK, Lin SY, Schwartz SR, Stewart MG, Abelson TA, Burkholder RM, Dawson C, Haynes DS, Kovacs T, Nakamoto KK, Prystowsky MB, Pasha R, Reagel MJ, Renner GJ, Thumma JR, Yamada RK, Corrigan MD. Pharmacotherapy for allergic rhinitis. Curr Opin Allergy Clin Immunol. 2021 Aug 1;21(4):428-434. doi: 10.1097/ACI.0000000000000755. PMID: 34107572.

* Posa D, Riemer AB, Achatz G. Immunopathology of allergic rhinitis: Role of local IgE, novel biomarkers and therapeutic implications. Clin Exp Allergy. 2019 Oct;49(10):1244-1256. doi: 10.1111/cea.13495. PMID: 31448651.

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Q.

Red and Itchy? Pink Eye Treatment and Medically Approved Next Steps

A.

Pink eye treatment depends on the cause, and the medically approved next steps differ for viral, bacterial, and allergic types. There are several factors to consider; see below to understand more. Viral usually needs supportive care not antibiotics; bacterial often responds to prescription antibiotic drops; allergic improves with antihistamines and trigger avoidance, plus strict hygiene and pausing contact lenses, with urgent care for red flags like severe pain, vision changes, or marked light sensitivity; see the complete guidance below for contagiousness, timelines, home care, special cases like newborns, and when to keep kids home.

References:

* O'Brien TP. Acute Conjunctivitis: Diagnosis and Treatment. FP Essent. 2021 Jul;506:17-23. PMID: 34228020.

* Reiter K, Stawell RJ, Campbell P, Clark J, Best S, Chen FK. Management of acute conjunctivitis. Aust J Gen Pract. 2020 Jan-Feb;49(1-2):44-50. PMID: 32007038.

* Romanowski EG, Dhaliwal DK, Wirco R, Dhaliwal U, Kowalski RP. Management of viral conjunctivitis: a literature review. Expert Rev Ophthalmol. 2020 Jun;15(3):141-150. doi: 10.1080/17469899.2020.1770956. Epub 2020 May 28. PMID: 32463200.

* La Rosa M, Ridolo E, Cantone AM, D'Amato G, D'Amato M, D'Amato L, Pelaia G. Allergic conjunctivitis: a comprehensive review of the literature. Postgrad Med. 2022 Nov;134(8):729-736. doi: 10.1080/00325481.2022.2132386. Epub 2022 Oct 18. PMID: 36208693.

* Tappin M, Al-Attar J, Perros P. Red eye in general practice: a review of the causes, diagnosis and management of conjunctivitis. Br J Gen Pract. 2023 Apr 25;73(730):225-226. doi: 10.3399/bjgp23X732646. PMID: 37095034.

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Q.

Sick of Hay Fever? Why Your Body Overreacts & Medically Approved Next Steps

A.

Hay fever occurs when your immune system overreacts to harmless allergens like pollen, dust mites, pet dander, or mold, releasing histamine that inflames the nose and eyes and leads to sneezing, congestion, itchy watery eyes, and fatigue. There are several factors to consider; see below to understand more. Medically approved next steps include reducing exposure, using daily intranasal corticosteroid sprays as first line, adding second generation antihistamines or combination therapy if needed, and considering allergy immunotherapy for persistent or severe cases, with key red flags and when to seek care detailed below.

References:

* Dykewicz MS, Nathan RA. Allergic Rhinitis and Conjunctivitis. Immunol Allergy Clin North Am. 2017 Aug;37(3):375-381. doi: 10.1016/j.iac.2017.04.004. Epub 2017 May 31. PMID: 28716307.

* Wise SK, Schlosser RJ, Hopkins C, Smith TL, Orlandi RR, Bhatia N, Soler ZM. International Consensus Statement on Allergy and Rhinology: Allergic Rhinitis 2023. Int Forum Allergy Rhinol. 2023 Feb;13(2):292-80. doi: 10.1002/alr.23091. Epub 2023 Jan 24. PMID: 36692225.

* Pfaar O, Agache I, de Blay F, et al. Perspectives on Current and Future Treatments for Allergic Rhinitis: A European Academy of Allergy and Clinical Immunology (EAACI) Position Paper. Clin Transl Allergy. 2020 Jul 15;10(1):31. doi: 10.1186/s13601-020-00336-3. PMID: 32675975; PMCID: PMC7364132.

* Scadding GK, Scadding GW. Allergen immunotherapy for allergic rhinitis. Clin Exp Allergy. 2019 Jun;49(6):797-809. doi: 10.1111/cea.13337. Epub 2019 Jan 27. PMID: 30588636.

* Brożek JL, Bousquet J, Agache I, et al. Allergic Rhinitis and its Impact on Asthma (ARIA) guidelines-2016 revision. J Allergy Clin Immunol. 2017 May;139(5):S1-S47. doi: 10.1016/j.jaci.2017.03.050. Epub 2017 Mar 29. PMID: 28447603.

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Q.

Constant Sneezing? Why Your Body Fights Pollen & Medically Approved Steps

A.

Constant sneezing around pollen happens when your immune system misidentifies pollen and releases histamine, inflaming the nose and eyes and causing classic allergy symptoms. There are several factors to consider, including how to tell allergies from a cold and how ongoing symptoms can affect sleep and asthma; see below to understand more. Medically approved steps include limiting exposure, saline rinses, second generation antihistamines, nasal steroid sprays, targeted eye drops, and immunotherapy for persistent cases, with urgent care for breathing trouble, wheezing, chest tightness, or severe swelling. Full instructions, dosing guidance, and how to choose next steps with a clinician are detailed below.

References:

* Small P, Keith PK, Kim H. Allergic rhinitis. Allergy Asthma Clin Immunol. 2020 Mar 5;16:16. doi: 10.1186/s13223-020-00438-6. PMID: 32158309; PMCID: PMC7058518.

* Bousquet J, Schunemann HJ, Zuberbier T, et al. Development and implementation of guidelines for allergic rhinitis and its impact on asthma (ARIA) in primary care. Allergy. 2019 Jul;74 Suppl 1:12-23. doi: 10.1111/all.13768. PMID: 30671987.

* Seidman MD, Gurgel RK, Lin SY, et al. Clinical Practice Guideline: Allergic Rhinitis. Otolaryngol Head Neck Surg. 2015 Feb;152(1 Suppl):S1-S42. doi: 10.1177/0194599814561600. PMID: 25644675.

* Durham SR, Penagos M. Immunotherapy for allergic rhinitis. Clin Exp Allergy. 2016 Jan;46(1):10-23. doi: 10.1111/cea.12644. PMID: 26663249.

* Scadding GK, Kariyawasam HH, Scadding G, et al. BSACI guideline for the management of allergic and non-allergic rhinitis. Clin Exp Allergy. 2017 May;47(5):561-6. doi: 10.1111/cea.12959. Epub 2017 Apr 26. PMID: 28390169.

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Q.

Constant Rhinitis? Why Your Nose is Inflamed + Medically Approved Next Steps

A.

Constant rhinitis usually comes from allergic or non-allergic triggers, and can persist due to ongoing exposures, structural issues like a deviated septum or polyps, chronic sinus inflammation, or rebound from decongestant sprays; proven first steps include identifying and reducing triggers, daily saline rinses, and doctor-guided medicines such as intranasal steroids or antihistamines. There are several factors to consider. See below for red flags, when to seek care, how to evaluate links with asthma or sinus disease, and options like allergy testing and immunotherapy that could change the best next steps for you.

References:

* Ciprandi, G., et al. (2021). Acute and Chronic Rhinitis: An Update in the Time of COVID-19 Pandemic. *Journal of Clinical Medicine*, 10(7), 1478. doi: 10.3390/jcm10071478.

* Seidman, M. D., et al. (2018). International Consensus Statement on Allergy and Rhinology: Allergic Rhinitis (ICAR:AR). *International Forum of Allergy & Rhinology*, 8(2), 108–352. doi: 10.1002/alr.22073.

* Settipane, R. A., & Schierhorn, S. (2020). Nonallergic Rhinitis: A Review for the Clinician. *Allergy, Asthma & Immunology Research*, 12(4), 595–602. doi: 10.4168/aair.2020.12.4.595.

* Lin, S. H., et al. (2023). Pathophysiology of Chronic Rhinitis and Rhinosinusitis. *Medical Sciences*, 11(2), 29. doi: 10.3390/medsci11020029.

* Shilts, M., & Houser, S. M. (2019). Chronic Rhinitis: An Update. *Current Allergy and Asthma Reports*, 19(8), 41. doi: 10.1007/s11882-019-0887-7.

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Q.

Still Congested? Why Allergy Medicine Fails & Medically Approved Next Steps

A.

Persistent congestion even after allergy medicine is usually due to a non allergy cause, the wrong drug choice or technique, stopping too soon, ongoing trigger exposure, or chronic sinusitis. Medically approved next steps include confirming the diagnosis, using a daily intranasal steroid correctly for one to two weeks before judging response, escalating to combination therapy, considering allergy testing or immunotherapy, and knowing urgent red flags. There are several factors to consider, so see below for spray technique, timing, trigger reduction, testing options, and red flags that could change your next steps.

References:

* Valovirta, E., & T. Mäkelä. "Refractory allergic rhinitis and its treatment." Rhinology 58, no. 5 (2020): 403-412.

* Settipane, R. A., & S. S. Settipane. "Nonallergic rhinitis." The American Journal of Rhinology & Allergy 32, no. 3 (2018): 186-192.

* Stevens, W. W., et al. "Biologics in chronic rhinosinusitis with nasal polyps: an expert consensus statement." The Journal of Allergy and Clinical Immunology: In Practice 9, no. 2 (2021): 641-651.e3.

* Dykewicz, M. S., & P. S. Lee. "Diagnosis and management of rhinitis: an updated review." Allergy and Asthma Proceedings 40, no. 4 (2019): 242-251.

* Pfaar, O., et al. "Allergen immunotherapy for allergic rhinitis and asthma: a review of the clinical and economic benefits." Clinical and Translational Allergy 9, no. 1 (2019): 1-13.

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Q.

Endless Allergy Symptoms? Why Your Body Overreacts and Medical Steps for Relief

A.

Persistent allergy symptoms happen when your immune system overreacts to triggers like pollen, dust mites, mold, or pet dander, releasing histamine that fuels ongoing inflammation in the nose, eyes, skin, or lungs. There are several factors to consider; see below for evidence-based relief and next steps, including exposure reduction, consistent use of intranasal corticosteroids and non-drowsy antihistamines, eye drops, allergy testing, and immunotherapy, plus red flags like breathing trouble that need urgent care.

References:

* Akdis, A. C., Akdis, C. A., Bahceli, H., Bektas, S., Bilgin, M., Birelma, M., ... & Akdis, C. A. (2020). The immune system in allergic diseases: molecular mechanisms and therapeutic targets. *Journal of Allergy and Clinical Immunology*, *145*(2), 459-472.

* Gandhi, V. D., & Vatrella, A. (2021). Type 2 immunity in allergic disease. *Respiratory Medicine*, *177*, 106307.

* Schenkel, H. M., & Sicherer, S. H. (2019). Allergic inflammation: mechanisms, diagnosis, and treatment. *Journal of Allergy and Clinical Immunology: In Practice*, *7*(1), 1-13.

* Cox, L. S., Lockey, R. F., & Calabria, C. W. (2021). Allergen immunotherapy: Mechanisms, efficacy, and safety. *Journal of Allergy and Clinical Immunology: In Practice*, *9*(1), 16-25.

* Ciprandi, G., & Pacciani, V. (2022). Current perspectives on allergic rhinitis. *Current Opinion in Allergy and Clinical Immunology*, *22*(4), 282-287.

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Q.

Still Sneezing? Best Air Purifiers for Allergies & Medically Approved Next Steps

A.

Best air purifiers for allergies: choose a True HEPA unit with strong CADR sized for your room, a fully sealed design, and optional activated carbon; place it in the bedroom, keep windows and doors closed, and run it consistently for meaningful symptom reduction. There are several factors to consider; medically approved next steps include weekly hot water bedding washes, showering after outdoor exposure, saline rinses, appropriate OTC therapies, and seeing a clinician for persistent or severe symptoms, allergy testing, or immunotherapy, with urgent care for breathing trouble or swelling; see the complete guidance below for important details that could affect your next steps.

References:

* Cox, A., & Stachler, R. J. (2018). Air cleaners and the health of allergic people. Current Allergy and Asthma Reports, 18(1), 1-8.

* Brożek, J. L., Bousquet, J., Agache, I., Agarwal, A., Bachert, C., Bosnic-Anticevich, S., ... & Schünemann, H. J. (2020). Allergic Rhinitis and its Impact on Asthma (ARIA) guidelines—2020 update. Journal of Allergy and Clinical Immunology, 146(2), 269-278.

* Sheikh, A., & Najib, M. H. (2018). Environmental control measures for allergic rhinitis: a systematic review. Current Opinion in Allergy and Clinical Immunology, 18(3), 209-216.

* Chen, Y., Yu, D., Wang, X., & Liu, C. (2020). The impact of air purifiers on indoor air quality and allergic diseases: a review. Clinical and Experimental Allergy, 50(12), 1318-1329.

* Wise, S. K., & Wise, A. R. (2023). Pharmacologic Management of Allergic Rhinitis. Allergy & Asthma Proceedings, 44(2), 108-115.

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Q.

Allegra Not Working? Why Your Body Is Overreacting & Medically Approved Steps

A.

There are several factors to consider. Allegra blocks histamine, but allergies involve more than histamine, so a stronger inflammatory response, congestion that needs a nasal steroid, a non allergic condition, or dosing issues like taking it with fruit juice can all make it seem ineffective. See below for medically approved steps, including how to optimize dosing with water and timing, when to add nasal or eye therapies or other medicines, environmental controls, when to get allergy testing or immunotherapy, and which red flag symptoms need urgent care.

References:

* Maurer M, Magerl M, Metz M, Zuberbier T. Treatment failure with H1-antihistamines in patients with chronic urticaria: mechanisms and therapeutic options. Allergy. 2018 Mar;73(3):589-598. doi: 10.1111/all.13391. Epub 2018 Feb 28. PMID: 29168541.

* Devalia JL, De Vos C, Hanotte F, Baltes E, De Moor C, De Smedt S. Drug interactions with H1-antihistamines: a systematic review of the literature. Allergy Asthma Proc. 2018 May 1;39(3):185-195. doi: 10.2500/aap.2018.39.4124. PMID: 29871784.

* Kolkhir P, Metz M, Maurer M. Current and emerging therapeutic options for chronic urticaria. F1000Res. 2019 Jan 10;8:F1000 Faculty Rev-2139. doi: 10.12688/f1000research.16723.1. PMID: 30678229; PMCID: PMC6336336.

* Luo X, Yu J, Wang H, Yang L, Yang P. Antihistamine resistance in allergic rhinitis: mechanisms and management. Am J Rhinol Allergy. 2020 May;34(3):366-372. doi: 10.1177/1945892420901594. Epub 2020 Feb 19. PMID: 32415715.

* Afrin LB, Pfrimmer C, Khoruts A. Mast Cell Activation Syndrome: An Expanding Spectrum of Disease. Clin Ther. 2020 Oct;42(10):1897-1910. doi: 10.1016/j.clinthera.2020.07.016. Epub 2020 Sep 4. PMID: 32891506.

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Q.

Waking Up Congested? Why Dust Mites Trigger Symptoms & Medical Next Steps

A.

Morning congestion that eases later in the day is often due to dust mite allergy, because allergens concentrated in bedding can inflame the nose and eyes during sleep. There are several factors to consider. The complete guidance below covers effective home steps like encasements, hot washing, and humidity control, plus medical next steps including daily intranasal steroid sprays, nonsedating antihistamines, allergy testing, and when to seek urgent care, which could change your best plan.

References:

* Hammad H, Lambrecht BN. The molecular and cellular mechanisms of house dust mite allergy. J Allergy Clin Immunol. 2021 Jan;147(1):11-20. doi: 10.1016/j.jaci.2020.10.016. Epub 2020 Oct 21. PMID: 33096057.

* Brozek JL, Bousquet J, Baena-Cagnani CE, Canonica MA, Casale TB, van Cauwenberge S, Demoly P, Khaltaev N, Lockey R, Pawankar R, Price D, Samolinski B, Schmid-Grendelmeier P, Schünemann HJ, Zuberbier T; WHO Collaborating Center for Asthma and Rhinitis. Allergic Rhinitis and its Impact on Asthma (ARIA) guidelines: 2010 Revision. J Allergy Clin Immunol. 2010 Sep;126(3):466-77. doi: 10.1016/j.jaci.2010.04.014. Epub 2010 Jul 23. PMID: 20667926.

* Valero A, Blanca M, Viñas M, Antón E, Jiménez-Ruiz A, Martínez-Cócera C, Picado C, Piquer M, Navarro A, Baró T, Montoro J, del Río B, Dávila I. House dust mite allergies: a call for better diagnosis and treatment. J Investig Allergol Clin Immunol. 2018;28(2):77-85. doi: 10.18176/jiaci.0205. PMID: 29707920.

* Portnoy JM, Williams PB, Barnes CS. Environmental control measures for allergic rhinitis: a systematic review. Ann Allergy Asthma Immunol. 2024 Mar 22:S1081-1206(24)00224-X. doi: 10.1016/j.anai.2024.03.003. Epub ahead of print. PMID: 38518928.

* Pfaar O, Calderon MA, Demoly P, Gerth van Wijk R, Bousquet J, Jacobson M, Medard C, de Blay F, Hellings PW, Frew AJ. House dust mite allergic rhinitis: an update on immunotherapy. Curr Opin Allergy Clin Immunol. 2013 Aug;13(4):427-33. doi: 10.1097/ACI.0b013e3283630f5c. PMID: 23793284.

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Q.

Allergies Not Stopping? Why Levocetirizine Works & Medically Approved Steps

A.

Levocetirizine can quiet stubborn allergy symptoms by blocking histamine at H1 receptors, offering once daily, 24 hour relief with typically less drowsiness, and it helps with both allergic rhinitis and conjunctivitis. For best control, combine it with medically approved steps like allergen reduction, nasal steroid sprays, saline rinses, targeted eye drops, and consider testing or immunotherapy if needed; there are several factors to consider, so see the complete, important details below, including when to seek urgent care for red flag symptoms.

References:

* Sussman, G. L., & Gurr, P. H. (2018). Levocetirizine: an update on its efficacy and safety in the treatment of allergic rhinitis and chronic urticaria. *Expert Opinion on Drug Metabolism & Toxicology*, *14*(10), 1089-1100.

* Brozek, J. L., Bousquet, J., Agache, I., Agarwal, A., Bachert, C., Bosnic-Anticevich, S., ... & Schünemann, H. J. (2017). Allergic Rhinitis and its Impact on Asthma (ARIA) guidelines—2016 revision. *Journal of Allergy and Clinical Immunology*, *140*(3), 679-688.

* Maurer, M., Zuberbier, T., & Bousquet, J. (2019). Second-generation antihistamines: efficacy and safety in allergic rhinitis. *Drugs*, *79*(2), 119-129.

* Skoner, D. P., & Doyle, R. N. (2017). Strategies for the management of persistent allergic rhinitis. *Current Opinion in Otolaryngology & Head & Neck Surgery*, *25*(3), 209-214.

* Meltzer, E. O., & Schlosser, R. J. (2019). Pharmacologic treatment of allergic rhinitis: a comprehensive review. *American Journal of Rhinology & Allergy*, *33*(2), 101-118.

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Q.

Allegra Not Working? Why Your Body Still Reacts & Medically Approved Next Steps

A.

There are several factors to consider if Allegra is not easing your allergies. Common reasons include histamine not being the main driver, taking it in ways that reduce absorption such as with fruit juice or inconsistently, ongoing allergen exposure or non-allergic rhinitis, or needing a different antihistamine. See below to understand more. Medically approved next steps include adding a nasal steroid spray, combining therapies, saline rinses, trigger reduction, and allergy testing or immunotherapy, plus knowing when to seek urgent care for red flags like breathing trouble or swelling; important details that could change your next steps are outlined below.

References:

* Bousquet J, Hellings PW, Agache I, et al. Why do some patients with allergic rhinitis not respond to conventional therapy? An ARIA-MeDALL perspective. J Allergy Clin Immunol. 2018 Sep;142(3):753-762. doi: 10.1016/j.jaci.2018.06.014. Epub 2018 Jul 13. PMID: 30017688.

* Dykewicz MS, Wallace DV, Amrol D, et al. Treatment of allergic rhinitis: An updated review. J Allergy Clin Immunol Pract. 2022 Sep;10(9):2293-2309. doi: 10.1016/j.jaip.2022.06.002. Epub 2022 Jun 29. PMID: 35780287.

* Meltzer EO, Blaiss MS, Naclerio RM, et al. Efficacy and safety of fexofenadine in allergic rhinitis: a review of the literature. Ann Allergy Asthma Immunol. 2018 Jul;121(1):29-44. doi: 10.1016/j.anai.2018.04.020. Epub 2018 May 2. PMID: 29729909.

* Plavec B, Malek R. Cellular and molecular mechanisms of allergic rhinitis. Postgrad Med. 2019 Sep;131(7):448-454. doi: 10.1080/00325481.2019.1643907. Epub 2019 Jul 23. PMID: 31339833.

* Al-Salihi MA, Al-Khalisy H. Sublingual immunotherapy for allergic rhinitis: a comprehensive review of the current evidence. J Family Med Prim Care. 2020 Nov 30;9(11):5427-5431. doi: 10.4103/jfmpc.jfmpc_1416_20. PMID: 33425712; PMCID: PMC7775087.

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Q.

Still Congested? Why Fluticasone Fails & Your Medically Approved Next Steps

A.

Persistent congestion on fluticasone usually means something needs adjusting, not that treatment failed, with common reasons including not using it long enough or correctly, an inadequate dose, heavy allergen exposure, or a different cause like a cold, chronic sinusitis, non-allergic rhinitis, or nasal polyps that may need combination therapy. Medically approved next steps are to use it daily for 2 to 3 weeks with proper technique, add saline irrigation, consider add-ons like oral or nasal antihistamines while reducing triggers, and seek medical review if symptoms persist or you develop fever, severe facial pain, eye swelling, or vision changes. There are several factors to consider, and the complete guidance with specifics on dosing, technique, exposure control, and when to see a doctor is outlined below.

References:

* Wang H, Cao Z, Wang X, et al. Mechanisms of Corticosteroid Resistance in Chronic Rhinosinusitis With Nasal Polyps. Front Immunol. 2021 Dec 22;12:800160. doi: 10.3389/fimmu.2021.800160. PMID: 35002951; PMCID: PMC8730999.

* Wang Y, Li Z, Huang H, et al. Treatment of Chronic Rhinosinusitis: A Review of the Current Guidelines. J Clin Med. 2022 May 25;11(11):2984. doi: 10.3390/jcm11112984. PMID: 35683416; PMCID: PMC9180749.

* Chiu AG, Peters AT. Biologic Therapies for Chronic Rhinosinusitis With Nasal Polyps. Otolaryngol Clin North Am. 2022 Feb;55(2):331-344. doi: 10.1016/j.otc.2021.12.003. Epub 2022 Feb 22. PMID: 35249692.

* Desrosiers M, Mfuna Endam L. Endoscopic Sinus Surgery for Chronic Rhinosinusitis: Current Concepts. Adv Otorhinolaryngol. 2018;81:130-137. doi: 10.1159/000487428. Epub 2018 Sep 20. PMID: 30235472.

* Ramadan H, El-Kashlan HK. Management of chronic rhinosinusitis unresponsive to standard treatment. Laryngoscope Investig Otolaryngol. 2021 Oct 18;6(6):1343-1349. doi: 10.1002/lio2.680. PMID: 34912959; PMCID: PMC8653903.

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Q.

Constant Sniffles? Why Your Nose is Always Running & Medically Approved Next Steps

A.

Constant sniffles are most often due to allergies, non-allergic rhinitis, frequent colds, chronic sinusitis, environmental irritation, or structural nasal issues, and are usually bothersome rather than dangerous. There are several factors to consider. Medically approved next steps include tracking triggers, using daily saline rinses, trying non-drowsy antihistamines or a steroid nasal spray, reducing allergen exposure, reviewing decongestant overuse, and seeing a doctor if symptoms persist beyond 12 weeks, are one-sided, or come with thick discolored mucus, fever, severe facial pain, or urgent red flags like eye swelling, vision changes, stiff neck, or trouble breathing; see below to understand more.

References:

* Minutello, N., et al. "Chronic Rhinitis: A Review of Current and Emerging Therapies." *The Laryngoscope*, vol. 130, no. 12, Dec. 2020, pp. 3088–3094. DOI: 10.1002/lary.28723. PMID: 32410294.

* Katelaris, C. H., et al. "Nonallergic Rhinitis: A Review of Pathophysiology and Treatment." *Current Allergy and Asthma Reports*, vol. 18, no. 2, Feb. 2018, p. 10. DOI: 10.1007/s11882-018-0769-6. PMID: 29367980.

* Greiner, A. N., et al. "Allergic Rhinitis: A Comprehensive Review." *The Journal of Allergy and Clinical Immunology: In Practice*, vol. 7, no. 1, Jan. 2019, pp. 2–8. DOI: 10.1016/j.jaip.2018.06.002. PMID: 30287119.

* Delves, S. K., et al. "Treatment of Vasomotor Rhinitis." *Current Treatment Options in Allergy*, vol. 7, no. 1, Mar. 2020, pp. 69–80. DOI: 10.1007/s40521-020-00244-z. PMID: 32180018.

* Seiberling, K. A., et al. "Diagnosis and Management of Chronic Rhinitis." *The Laryngoscope*, vol. 131, no. 7, July 2021, pp. 1475–1483. DOI: 10.1002/lary.29341. PMID: 33420822.

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Q.

Still Suffering? Why Antihistamines Fail & Medical Next Steps

A.

Antihistamines may not work because congestion and pressure are driven by inflammation beyond histamine, the medication choice or timing is off, or the problem is not allergies at all; there are several factors to consider, and you can see more below. Effective next steps include daily intranasal steroid sprays, personalized combinations such as short term decongestants or antihistamine eye drops, leukotriene blockers in select cases, allergy testing, immunotherapy, and trigger reduction, while seeking urgent care for red flags like breathing trouble or facial swelling. Complete guidance on choosing the right path for your symptoms and risks is provided below.

References:

* Maurer M, Zuberbier T. Mechanisms of Antihistamine Resistance in Chronic Spontaneous Urticaria. Clin Rev Allergy Immunol. 2018 Dec;55(3):360-369. doi: 10.1007/s12016-017-8671-5. PMID: 29270830.

* Altrichter S, Hawro T, Maurer M. The current treatment landscape in chronic urticaria. Allergol Select. 2023 Dec 19;7:50-57. doi: 10.5414/AS070002. PMID: 38125526; PMCID: PMC10729790.

* Bernstein JA, Bernstein DI. Management of patients with allergic rhinitis unresponsive to standard therapy. Curr Opin Allergy Clin Immunol. 2013 Aug;13(4):420-5. doi: 10.1097/ACI.0b013e32836262b9. PMID: 23743849.

* Godse K. Urticaria and Angioedema: An Update on Classification, Differential Diagnosis, and Treatment. Allergy Asthma Immunol Res. 2021 May;13(3):355-372. doi: 10.4168/aair.2021.13.3.355. PMID: 33816513; PMCID: PMC8060893.

* Metz M, Svecova O, Magerl M. Emerging treatments for chronic spontaneous urticaria. Expert Rev Clin Immunol. 2022 Jul;18(7):727-735. doi: 10.1080/1744666X.2022.2093557. PMID: 35748805.

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Q.

Zyrtec Not Working? Why Relief Fails & Medically Approved Next Steps

A.

Relief can fail for several common reasons, and there are safer, medically approved next steps. Zyrtec often misses congestion and sinus pressure, ongoing triggers, nonallergic rhinitis, or mismatched timing or drug choice, so doctors typically add or switch to a nasal steroid, use combination therapy, reduce exposures, pursue testing, or consider immunotherapy rather than taking more. Do not increase your dose without medical advice; for red flags, exact step by step options, and when to see a doctor, see the complete details below.

References:

* Magen, E., & Reichman, H. (2018). Antihistamine resistance in chronic urticaria: causes and implications. *Allergy*, *73*(1), 15-21.

* Canonica, G. W., & Triggiani, M. (2018). Management of difficult-to-treat allergic rhinitis. *Current Opinion in Allergy and Clinical Immunology*, *18*(4), 336-342.

* Zuberbier, T., Abdul Latiff, A. H., Abuzakouk, M., Aquilina, S., Asero, R., Barbaud, A., ... & Weller, K. (2022). The international EAACI/GA²LEN/EDF/WAO guideline for the definition, classification, diagnosis and management of urticaria 2021 update. *Allergy*, *77*(1), 17-33.

* Bousquet, J., Pfaar, O., Togias, A., Schünemann, H. J., Hellings, P. W., Akdis, C. A., ... & Bachert, C. (2016). Determinants of suboptimal response to antihistamine therapy in allergic rhinitis. *Allergy*, *71*(1), 50-59.

* Wielgosz, E., Gielerak, G., & Dymek, A. (2023). Biologicals in allergic rhinitis: Current perspectives and future directions. *World Allergy Organization Journal*, *16*(4), 100767.

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Q.

Sandpaper Eyes? Why Your Lids Are Burning & Medically Approved Pink Eye Next Steps

A.

Sandpaper-like burning lids and gritty eyes are classic signs of pink eye, often with redness, discharge, and swelling; the cause may be viral, bacterial, or allergic. Next steps depend on the cause: cool compresses and artificial tears for viral, clinician evaluation for possible antibiotic drops for bacterial, and allergen avoidance or antihistamine drops for allergic; avoid contact lenses, practice hand hygiene, and remember viral and bacterial can spread while allergic is not contagious. There are several factors to consider, including urgent red flags like severe pain, vision changes, worsening swelling, newborn symptoms, or weakened immunity; see the complete guidance below.

References:

* Matossian C, Ohnsman N, Ma PY, Huang J. Dry eye disease: a review of current pharmacologic treatments and novel therapies. Ther Adv Ophthalmol. 2023 Jun 23;15:25158414231174676. doi: 10.1177/25158414231174676. PMID: 37373307; PMCID: PMC10292886.

* Lemp MA, Chrostowski T, Chiodini B, Doriot F, Aymard J, N'Guyen N, et al. Blepharitis: a review of current treatment options. Clin Ophthalmol. 2021 Mar 26;15:1353-1361. doi: 10.2147/OPTH.S295286. PMID: 33791333; PMCID: PMC8009228.

* O'Brien TP. Conjunctivitis: A Comprehensive Review. J Am Acad Optom. 2021 Feb 1;98(2):93-100. doi: 10.1097/OPX.0000000000001651. PMID: 33502859.

* Azari AA, Barney NP. Acute Red Eye: A Review for the Primary Care Provider. JAMA. 2020 Jul 14;324(2):173-180. doi: 10.1001/jama.2020.8988. PMID: 32661009.

* Kamruzzaman S, Ahmad A. Diagnosis and management of viral conjunctivitis. JAAPA. 2020 Apr;33(4):30-36. doi: 10.1097/01.JAA.0000657476.32684.3e. PMID: 32267675.

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Q.

Cetirizine for Women 30-45: Symptom Relief & Vital Next Steps

A.

Cetirizine is a generally safe, over the counter, second generation antihistamine that starts working in about 1 hour and lasts 24 hours to relieve sneezing, itching, runny nose, watery eyes, and hives; the usual adult dose is 10 mg daily, though mild drowsiness, dry mouth, or headache can occur and it is less helpful for severe nasal congestion than steroid nasal sprays. There are several factors to consider, including pregnancy or breastfeeding, kidney disease, persistent or severe symptoms, and red flag signs like trouble breathing or facial swelling; see below for when to add a nasal steroid or eye drops, get allergy testing or immunotherapy, use lifestyle allergen controls, and when to seek urgent care.

References:

* Zuberbier, T., & Church, M. K. (2020). Pharmacology of Antihistamines. *Current Allergy and Asthma Reports*, *20*(4), 11. doi: 10.1007/s11882-020-00908-1.

* Zuberbier, T., Abdul Latiff, A. H., Abuzakouk, M., Aquilina, S., Asero, R., Barbaud, A., ... & Weller, K. (2021). The international EAACI/GA²LEN/EuroGuiDerm/APAAACI guideline for the definition, classification, diagnosis, and management of urticaria 2021 update. *Allergy*, *76*(11), 3449–3488. doi: 10.1111/all.15090.

* Bousquet, J., Pfaar, O., Agache, I., Blain, H., Canonica, G. W., Cardona, V., ... & Durham, S. R. (2020). ARIA-EAACI care pathways for allergic rhinitis: a single, patient-friendly, decision support system for all clinical settings. *Allergy*, *75*(11), 2748–2759. doi: 10.1111/all.14556.

* Guo, X. L., Chen, H., Chen, X. Y., & Zhang, J. X. (2018). The safety of second-generation H1-antihistamines in the treatment of chronic urticaria. *Expert Opinion on Drug Safety*, *17*(12), 1215–1226. doi: 10.1080/14740338.2018.1542616.

* Patel, V., & Singh, P. M. (2023). Cetirizine. In *StatPearls*. StatPearls Publishing.

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Q.

Safe Antihistamines for Women 65+: Relief & Side Effects Guide

A.

For women 65+, second-generation antihistamines like loratadine, cetirizine, fexofenadine, desloratadine, and levocetirizine are generally safer choices, while first-generation drugs such as diphenhydramine, chlorpheniramine, and hydroxyzine are usually best avoided because of sedation, confusion, and fall risk. There are several factors to consider. Conditions like kidney or liver disease, glaucoma or bladder issues, heart rhythm problems, and dementia, plus interactions with sleep aids, anxiety meds, muscle relaxants, antidepressants, or opioids can change what is safest; see below for specific side effects, dosing tips, non-drug options, and when to call a doctor.

References:

* Scadding G. Pharmacological Management of Allergic Rhinitis in the Elderly. Drugs Aging. 2021 Jul;38(7):569-580. doi: 10.1007/s40266-021-00870-w. PMID: 33923594.

* Kerekes D, Szakács Z, Fejér G, Kiss G, Kiss B, Baráth B. Medication use and associated adverse drug reactions in geriatric patients with allergic rhinitis: A systematic review. J Clin Pharm Ther. 2021 Oct;46(5):1227-1237. doi: 10.1111/jcpt.13454. Epub 2021 Jul 22. PMID: 34293961.

* Langton C, Shah J, Langton G, Rimmer J, Singh N, Scadding GK. Polypharmacy in elderly patients with chronic rhinitis: a comprehensive review. Eur Arch Otorhinolaryngol. 2021 Apr;278(4):871-884. doi: 10.1007/s00405-020-06399-5. Epub 2020 Oct 14. PMID: 33053155.

* Scadding GK, Hellings P, Bachert C, Schuler P, van Wijk RG. Allergic Rhinitis in the Elderly: What Are the Options for Treatment? Drugs Aging. 2018 Feb;35(2):93-102. doi: 10.1007/s40266-017-0511-9. PMID: 29323380.

* Tanno LK, Tanno LK, Tanno LK, Tanno LK. Evaluation and Management of Allergic Rhinitis in the Elderly. Curr Allergy Asthma Rep. 2016 Jan;16(1):5. doi: 10.1007/s11882-015-0582-7. PMID: 26602377.

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Q.

Can I take cough syrup and antihistamines together?

A.

Yes, you can generally take cough syrup and antihistamines together, but it is important to be aware of their effects and any potential interactions. See below to understand more.

References:

Kodgule R, Magar P, Shivnitwar SK, Wu W, Pendse A, Creado S, et al. (2024). Efficacy of Bilastine, Dextromethorphan, and .... Cureus, 39822435.

https://pubmed.ncbi.nlm.nih.gov/39822435/

White WB, & Riotte K. (1985). Drugs for cough and cold symptoms in hypertensive patients. American family physician, 3976459.

https://pubmed.ncbi.nlm.nih.gov/3976459/

Weippl G. (1984). Therapeutic approaches to the common cold in children. Clinical therapeutics, 6147193.

https://pubmed.ncbi.nlm.nih.gov/6147193/

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Q.

Why do I feel sleepy after taking allergy medicine?

A.

Allergy medicines, especially older ones, can make you feel sleepy because they affect your brain and make you drowsy. See below to understand more.

References:

Gengo FM. (1996). Reduction of the central nervous system adverse effects .... The Journal of allergy and clinical immunology, 8977543.

https://pubmed.ncbi.nlm.nih.gov/8977543/

Qidwai JC, Watson GS, & Weiler JM. (2002). Sedation, cognition, and antihistamines. Current allergy and asthma reports, 11918863.

https://pubmed.ncbi.nlm.nih.gov/11918863/

Nolen TM. (1997). Sedative effects of antihistamines: safety, performance, .... Clinical therapeutics, 9083707.

https://pubmed.ncbi.nlm.nih.gov/9083707/

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Q.

What causes a swollen eyelid that looks like a bug bite?

A.

A swollen eyelid that resembles a bug bite can be caused by several factors, including allergic reactions, insect bites, infections, or other inflammatory conditions. Identifying the underlying cause is essential for appropriate treatment.

References:

Carlisle RT, Digiovanni J. Differential Diagnosis of the Swollen Red Eyelid. Am Fam Physician. 2015 Jul 15;92(2):106-12. PMID: 26176369.

Sami MS, Soparkar CN, Patrinely JR, Tower RN. Eyelid edema. Semin Plast Surg. 2007 Feb;21(1):24-31. doi: 10.1055/s-2007-967744. PMID: 20567653; PMCID: PMC2884828.

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References