Pain under Armpit
Free Symptom Checker
with Physician-supervised AI
Worried about your symptoms?
Start the Pain under Armpit test with our free AI Symptom Checker.
This will help us personalize your assessment.
By starting the symptom checker, you agree to the Privacy Policy and Terms of Use
Try one of these related symptoms.
Pain in the armpits
Underarm pain
Right armpit pain
Left armpit pain
Pinching pain under right armpit
Pinching pain under left armpit
Dull ache under armpit
Sharp pain in armpit
Pain in both armpits
About the Symptom
Axillary pain, or pain under armpit, is a painful sensation in one or both armpits. The axilla refers to the armpit, and this armpit pain can be pressing, sharp, or dull, typically caused by muscle strain or swollen lymph nodes. Pain under left armpit or pain under right armpit in females may also be caused by hormonal changes.
Possible Causes
Generally, Pain under armpit can be related to:
- Filariasis
Filariasis is a tropical, parasitic disease that impacts the lymph nodes and lymph vessels. The parasite is carried by mosquitoes and spreads to humans through mosquito bites.
- Hidradenitis Suppurativa
Hidradenitis suppurativa is a chronic skin condition characterized by painful nodules and abscesses in the skin's folds.
- Shingles (Herpes Zoster)
This disease is caused by the Varicella (or chickenpox) virus reactivating. It can be triggered by stress, aging, or a weakened immune system.
- Mondor's Disease
- Lymphedema
Doctor's Diagnostic Questions
Your doctor may ask these questions to check for this symptom:
- Do you feel armpit pain?
- How long have you had armpit pain?
- Have you experienced armpit pain before?
- How has the pain in your armpit changed since it started?
- On a scale of 1-10, how bad was the pain in your armpit?
Reviewed By:
Maxwell J. Nanes, DO (Emergency Medicine)
Dr Nanes received a doctorate from the Chicago College of Osteopathic Medicine and went on to complete a residency in emergency medicine at the Medical College of Wisconsin. There he trained at Froedtert Hospital and Children's Hospital of Wisconsin in the practice of adult and pediatric emergency medicine. He was a chief resident and received numerous awards for teaching excellence during his time there. | | After residency he took a job at a community hospital where he and his colleagues worked through the toughest days of the COVID-19 pandemic. |
Yoshinori Abe, MD (Internal Medicine)
Dr. Abe graduated from The University of Tokyo School of Medicine in 2015. He completed his residency at the Tokyo Metropolitan Health and Longevity Medical Center. He co-founded Ubie, Inc. in May 2017, where he currently serves as CEO & product owner at Ubie. Since December 2019, he has been a member of the Special Committee for Activation of Research in Emergency AI of the Japanese Association for Acute Medicine. | | Dr. Abe has been elected in the 2020 Forbes 30 Under 30 Asia Healthcare & Science category.
Content updated on Feb 6, 2025
Following the Medical Content Editorial Policy
Was this page helpful?
Tell your friends about us.
We would love to help them too.
Just 3 minutes.
Developed by doctors.
Try Free Symptom QuizHow Ubie Can Help You
With a free 3-min Pain under Armpit quiz, powered by Ubie's AI and doctors, find possible causes of your symptoms.
This questionnaire is customized to your situation and symptoms, including the following personal information:
Biological Sex - helps us provide relevant suggestions for male vs. female conditions.
Age - adjusts our guidance based on any age-related health factors.
History - considers past illnesses, surgeries, family history, and lifestyle choices.
Your symptoms
Our AI
Your report
Your personal report will tell you
✔ When to see a doctor
✔︎ What causes your symptoms
✔︎ Treatment information etc.
People with similar symptoms also use Ubie's symptom checker to find possible causes
- Pain under the armpits
Find Similar Symptoms
Symptoms from similar body parts
FAQs
Q.
What might be causing a dull ache under my left armpit?
A.
A dull ache under your left armpit can stem from a number of causes, including muscle strain, slight inflammation of lymph nodes, or even referred pain from your chest or heart area. It usually isn’t serious, but you should see a doctor if the pain lasts or comes with other worrisome signs.
References:
Warmuth MA, Bowen G, Prosnitz LR, Chu L, Broadwater G, Peterson B, Leight G, Winer EP. Complications of axillary lymph node dissection for carcinoma of the breast: a report based on a patient survey. Cancer. 1998 Oct 1;83(7):1362-8. doi: 10.1002/(sici)1097-0142(19981001)83:7<1362::aid-cncr13;2-2. PMID: 9762937.
Versaci F, Gaspardone A, Tomai F, Proietti I, Crea F, Chiariello L, Gioffrè PA. Chest pain after coronary artery stent implantation. Am J Cardiol. 2002 Mar 1;89(5):500-4. doi: 10.1016/s0002-9149(01)02287-1. PMID: 11867031.
Gorson KC, Kolb DA, Marks DS, Hayes MT, Baquis GD. Acute brachial diplegia due to Lyme disease. Neurologist. 2011 Jan;17(1):24-7. doi: 10.1097/NRL.0b013e31820038cd. PMID: 21192188.
Q.
Why do I have a dull ache in my armpit and should I be concerned?
A.
A dull ache in your armpit can be caused by minor issues like muscle tension or nerve irritation and is often not serious, but if it keeps happening or worsens, you should check with a doctor.
References:
Rubin DI, Shuster EA. Axillary pain as a heralding sign of neoplasm involving the upper thoracic root. Neurology. 2006 Jun 13;66(11):1760-2. doi: 10.1212/01.wnl.0000218165.93659.6c. PMID: 16769959.
Agostini F, Attanasi C, Bernetti A, Mangone M, Paoloni M, Del Monte E, Mammucari M, Maggiori E, Russo D, Marzo RD, Migliore A, Paolucci T. Web Axillary Pain Syndrome-Literature Evidence and Novel Rehabilitative Suggestions: A Narrative Review. Int J Environ Res Public Health. 2021 Oct 2;18(19):10383. doi: 10.3390/ijerph181910383. PMID: 34639683; PMCID: PMC8507961.
Warmuth MA, Bowen G, Prosnitz LR, Chu L, Broadwater G, Peterson B, Leight G, Winer EP. Complications of axillary lymph node dissection for carcinoma of the breast: a report based on a patient survey. Cancer. 1998 Oct 1;83(7):1362-8. doi: 10.1002/(sici)1097-0142(19981001)83:7<1362
Q.
What could cause a pinching feeling under my left armpit?
A.
A pinching feeling under your left armpit may be caused by a small nerve injury or a condition called axillary web syndrome. This feeling is often temporary, but if it continues or gets worse, it's a good idea to see a doctor.
References:
Boeson MB, Hranchook A, Stoller J. Peripheral nerve injury from intravenous cannulation: a case report. AANA J. 2000 Feb;68(1):53-7. PMID: 10876452.
Welsh P, Gryfe D. Atypical presentation of axillary web syndrome (AWS) in a male squash player: a case report. J Can Chiropr Assoc. 2016 Dec;60(4):294-298. PMID: 28065989; PMCID: PMC5178020.
Mohammed J, Ash C, Rai J. 'Patience is a virtue' - Post-traumatic Axillary Web Syndrome - resolution without intervention. Arch Clin Cases. 2023 Feb 20;10(1):18-20. doi: 10.22551/2023.38.1001.10233. PMID: 36814675; PMCID: PMC9940285.
Q.
What might cause sharp pain under my left armpit and the side of my breast?
A.
Sharp pain under the left armpit and on the side of your breast can sometimes occur because of a benign soft tissue condition like nodular fasciitis or due to axillary web syndrome, which can create painful cords.
References:
Samardzic D, Chetlen A, Malysz J. Nodular fasciitis in the axillary tail of the breast. J Radiol Case Rep. 2014 May 31;8(5):16-26. doi: 10.3941/jrcr.v8i5.1903. PMID: 25426226; PMCID: PMC4242061.
Alharazy SM. Occurrence of axillary web syndrome without surgical intervention: a case report. J Int Med Res. 2023 Jan;51(1):3000605231152384. doi: 10.1177/03000605231152384. PMID: 36694987; PMCID: PMC9893068.
Cole T. Risks and benefits of needle use in patients after axillary node surgery. Br J Nurs. 2006 Oct 12-25;15(18):969-74, 976-9. doi: 10.12968/bjon.2006.15.18.22020. PMID: 17077767.
Q.
What would cause pain under my left armpit and how can it be treated?
A.
Pain under your left armpit can come from things like a small fatty lump (lipoma) pressing on nerves, an injury to the axillary nerve, or swollen lymph nodes, and treatment depends on what is causing it.
References:
Patel RH, Sheth R, Hus N. Complex Regional Pain Syndrome Caused by an Axillary Lipoma. Cureus. 2020 Dec 25;12(12):e12280. doi: 10.7759/cureus.12280. PMID: 33510987; PMCID: PMC7828746.
Tessler J, Talati R. Axillary Nerve Injury. [Updated 2023 Aug 14]. In: StatPearls [Internet].
Maini R, Nagalli S. Adenopathy. [Updated 2023 Aug 8]. In: StatPearls [Internet].
Q.
Why do both my armpits hurt and when should I be concerned?
A.
Having pain in both armpits can sometimes happen from nerve compression or tissue strain, and while it often isn't serious, you should see a doctor if the pain lasts long or comes with other symptoms.
References:
Raikin S, Froimson MI. Bilateral brachial plexus compressive neuropathy (crutch palsy). J Orthop Trauma. 1997 Feb-Mar;11(2):136-8. doi: 10.1097/00005131-199702000-00014. PMID: 9057152.
Welsh P, Gryfe D. Atypical presentation of axillary web syndrome (AWS) in a male squash player: a case report. J Can Chiropr Assoc. 2016 Dec;60(4):294-298. PMID: 28065989; PMCID: PMC5178020.
Tahir MT, Vadakekut ES, Shamsudeen S. Mastalgia. 2025 Feb 6. In: StatPearls [Internet]. Treasure Island (FL): StatPearls Publishing; 2025 Jan–. PMID: 32965866.
Q.
Why do I have a sharp pain in my armpit and should I see a doctor?
A.
A sharp pain in your armpit can happen when lymph nodes or nearby tissues are irritated. While it often isn’t serious, it’s best to see a doctor if the pain keeps happening or gets worse.
References:
Karpf M. Lymphadenopathy. In: Walker HK, Hall WD, Hurst JW, editors. Clinical Methods: The History, Physical, and Laboratory Examinations. 3rd edition. Boston: Butterworths; 1990. Chapter 149.
https://www.ncbi.nlm.nih.gov/books/NBK256/
Fitzgerald Jones K, Fu MR, McTernan ML, Ko E, Yazicioglu S, Axelrod D, Guth AA, Miaskowski C, Conley YP, Wood LJ, Wang Y. Lymphatic Pain in Breast Cancer Survivors. Lymphat Res Biol. 2022 Oct;20(5):525-532. doi: 10.1089/lrb.2021.0017. Epub 2021 Dec 31. PMID: 35089817; PMCID: PMC9603252.
Li P, Chen S, Li P, Xu D, Tang X, Liao J, Xie H, Li G, Kuang Y, Su J, Tang S, Zhou J. Treatment of Axillary Osmidrosis by Rebalancing Skin Microecology With _Lactobacillus bulgaricus_. Front Microbiol. 2022 Apr 14;13:821696. doi: 10.3389/fmicb.2022.821696. PMID: 35495721; PMCID: PMC9048734.
Q.
Could armpit pain be a sign of breast cancer?
A.
Armpit pain is usually not the only sign of breast cancer. However, if the pain is new, persistent, or comes with other unusual changes, it's important to have it checked by a doctor.
References:
Vecht CJ. Arm pain in the patient with breast cancer. J Pain Symptom Manage. 1990 Apr;5(2):109-17. doi: 10.1016/s0885-3924(05)80024-7. PMID: 2348086.
Al-Azri M, Al-Baimani K, Al-Awaisi H, Al-Mandhari Z, Al-Khamayasi J, Al-Lawati Y, Panchatcharam SM. Knowledge of symptoms, time to presentation and barriers to medical help-seeking among Omani women diagnosed with breast cancer: a cross-sectional study. BMJ Open. 2021 Jan 21;11(1):e043976. doi: 10.1136/bmjopen-2020-043976. PMID: 33478965; PMCID: PMC7825262.
Prusty RK, Begum S, Patil A, Naik DD, Pimple S, Mishra G. Knowledge of symptoms and risk factors of breast cancer among women: a community based study in a low socio-economic area of Mumbai, India. BMC Womens Health. 2020 May 18;20(1):106. doi: 10.1186/s12905-020-00967-x. PMID: 32423488; PMCID: PMC7236367.
Q.
How can I alleviate pain in my armpit?
A.
You can try a few methods like over-the-counter oral and topical pain medications, warm compresses, gentle stretching, and managing underlying conditions like infections or inflammation to help ease armpit pain.
References:
González-Rubino JB, Vinolo-Gil MJ, Martín-Valero R. Effectiveness of physical therapy in axillary web syndrome after breast cancer: a systematic review and meta-analysis. Support Care Cancer. 2023 Apr 12;31(5):257. doi: 10.1007/s00520-023-07666-x. Erratum in: Support Care Cancer. 2024 Nov 12;32(12):784. doi: 10.1007/s00520-024-08993-3. PMID: 37043039; PMCID: PMC10097759.
Lewandowski M, Świerczewska Z, Barańska-Rybak W. Hidradenitis suppurativa: a review of current treatment options. Int J Dermatol. 2022 Sep;61(9):1152-1164. doi: 10.1111/ijd.16115. Epub 2022 Feb 6. PMID: 35128643.
Burbank KM, Stevenson JH, Czarnecki GR, Dorfman J. Chronic shoulder pain: part II. Treatment. Am Fam Physician. 2008 Feb 15;77(4):493-7. PMID: 18326169.
Q.
How common is right armpit pain and what are the potential causes?
A.
Right armpit pain is not very common and often comes from swollen lymph nodes due to infections or other conditions, though there are other less frequent causes.
References:
Qureshi FG, Newman KD. Lymph Node Disorders. Pediatric Surgery. 2012:737–43. doi: 10.1016/B978-0-323-07255-7.00057-X. Epub 2012 Feb 17. PMCID: PMC7158302.
Papazafiropoulou AK, Angelidi AM, Kousoulis AA, Christofilidis G, Sagia C, Kaftanidou L, Manoloudaki K, Tsavari A, Kranidiotis G, Kamaratos A, Melidonis A. A Palpable Painless Axillary Mass as the Clinical Manifestation of Castleman's Disease in a Patient with Hepatitis C Disease. Case Rep Med. 2016;2016:1970276. doi: 10.1155/2016/1970276. Epub 2016 May 22. PMID: 27313621; PMCID: PMC4893446.
Hermansyah D, Al Anas M, Firsty NN, Alianto R. Cat-Scratch Lymphadenitis Presenting with Right Upper Arm and Axillary Masses: a Case Report Mimicking Lymphoma and Potential Diagnostic Pitfall. Med Arch. 2022 Dec;76(6):480-483. doi: 10.5455/medarh.2022.76.480-483. PMID: 36937617; PMCID: PMC10019884.
Q.
Is armpit pain common during the third trimester of pregnancy?
A.
While many pregnant people have aches and pains, armpit pain in the third trimester is not usually common. It might be linked to changes in your body or rare conditions that sometimes happen during pregnancy.
References:
Doyle G, Simmons M, Granke K. Axillary vein thrombosis during pregnancy in association with a lupus anticoagulant. W V Med J. 1998 Mar-Apr;94(2):87-9. PMID: 9581509.
Jalilzadeh Afshari S, Saad Abdalla Al-Zawi A, Idaewor P, Chicken DW. Axillary lymphadenopathy in a pregnant woman: a case report. Ann R Coll Surg Engl. 2020 Sep;102(7):e167-e169. doi: 10.1308/rcsann.2020.0078. Epub 2020 Apr 29. PMID: 32347740; PMCID: PMC7450423.
Jalilzadeh Afshari S, Saad Abdalla Al-Zawi A, Idaewor P, Chicken DW. Axillary lymphadenopathy in a pregnant woman: a case report. Ann R Coll Surg Engl. 2020 Sep;102(7):e167-e169. doi: 10.1308/rcsann.2020.0078. Epub 2020 Apr 29. PMID: 32347740; PMCID: PMC7450423.
Q.
Is it normal to experience armpit pain after receiving a vaccine?
A.
Yes, it is fairly common to feel armpit pain after getting a vaccine due to the injection and the immune system's reaction.
References:
Bancsi A, Houle SKD, Grindrod KA. Shoulder injury related to vaccine administration and other injection site events. Can Fam Physician. 2019 Jan;65(1):40-42. PMID: 30674513; PMCID: PMC6347325.
Yoshimoto N, Yanagi A, Takayama S, Sakamoto M, Tomoda K, Ishikawa K, Kawate A, Takayama S, Yamashita M, Yamamoto S, Yokoyama K, Suzuki H, Kani H. Axillary Lymph Node Swelling After COVID-19 Booster Vaccination: Japanese Case Report and Literature Review. In Vivo. 2022 Jul-Aug;36(4):1977-1981. doi: 10.21873/invivo.12921. PMID: 35738594; PMCID: PMC9301409.
Yoshikawa T, Miki S, Nakao T, Koshino S, Hayashi N, Abe O. Axillary Lymphadenopathy after Pfizer-BioNTech and Moderna COVID-19 Vaccination: MRI Evaluation. Radiology. 2023 Jan;306(1):270-278. doi: 10.1148/radiol.220814. Epub 2022 Sep 13. PMID: 36098641; PMCID: PMC9490792.
Q.
Is it normal to experience armpit pain years after a mastectomy?
A.
It is not unusual for some people to feel pain in their armpit, even years after a mastectomy. This can happen for various reasons, and each person’s experience may be different.
References:
Bell RJ, Robinson PJ, Nazeem F, Panjari M, Fradkin P, Schwarz M, Davis SR. Persistent breast pain 5 years after treatment of invasive breast cancer is largely unexplained by factors associated with treatment. J Cancer Surviv. 2014 Mar;8(1):1-8. doi: 10.1007/s11764-013-0306-6. Epub 2013 Aug 23. PMID: 23975613.
Gärtner R, Jensen M, Nielsen J, Ewertz M, Kroman N, Kehlet H. Prevalence of and Factors Associated With Persistent Pain Following Breast Cancer Surgery. _JAMA._ 2009;302(18):1985–1992. doi:10.1001/jama.2009.1568
Tait RC, Zoberi K, Ferguson M, Levenhagen K, Luebbert RA, Rowland K, Salsich GB, Herndon C. Persistent Post-Mastectomy Pain: Risk Factors and Current Approaches to Treatment. J Pain. 2018 Dec;19(12):1367-1383. doi: 10.1016/j.jpain.2018.06.002. Epub 2018 Jun 30. PMID: 29966772; PMCID: PMC6530598.
Q.
Is left arm pain more common in women and what are the potential causes?
A.
Left arm pain can be more common in women, and it might result from heart issues, diabetes-related shoulder problems, repetitive stress, or even infections that affect nerves.
References:
Schulte KJ, Mayrovitz HN. Myocardial Infarction Signs and Symptoms: Females vs. Males. Cureus. 2023 Apr 13;15(4):e37522. doi: 10.7759/cureus.37522. PMID: 37193476; PMCID: PMC10182740.
Gorson KC, Kolb DA, Marks DS, Hayes MT, Baquis GD. Acute brachial diplegia due to Lyme disease. Neurologist. 2011 Jan;17(1):24-7. doi: 10.1097/NRL.0b013e31820038cd. PMID: 21192188.
Garcilazo C, Cavallasca JA, Musuruana JL. Shoulder manifestations of diabetes mellitus. Curr Diabetes Rev. 2010 Sep;6(5):334-40. doi: 10.2174/157339910793360824. PMID: 20701586.
Q.
What are common reasons for experiencing underarm pain?
A.
Underarm pain can be caused by muscle strains, nerve irritation, or even swollen lymph nodes. It can also occur after surgery or from repetitive use of the arm.
References:
Moradi A, Ebrahimzadeh MH, Ring D. Nonspecific arm pain. Arch Bone Jt Surg. 2013 Dec;1(2):53-8. Epub 2013 Dec 15. PMID: 25207288; PMCID: PMC4151410.
Updated 2023 Jul 24]. In: StatPearls [Internet]. Treasure Island (FL): StatPearls Publishing; 2025 Jan-. Available from: [https://www.ncbi.nlm.nih.gov/books/NBK559188/
https://www.ncbi.nlm.nih.gov/books/NBK559188/
Koehler LA, Blaes AH, Haddad TC, Hunter DW, Hirsch AT, Ludewig PM. Movement, Function, Pain, and Postoperative Edema in Axillary Web Syndrome. Phys Ther. 2015 Oct;95(10):1345-53. doi: 10.2522/ptj.20140377. Epub 2015 May 14. PMID: 25977305; PMCID: PMC4595809.
Q.
What are the possible causes of left armpit pain without a lump?
A.
Left armpit pain without a lump can be caused by muscle strain, irritated nerves, inflammation, or changes after surgery, among other reasons.
References:
de Andrade JM, Marana HR, Sarmento Filho JM, Murta EF, Velludo MA, Bighetti S. Differential diagnosis of axillary masses. Tumori. 1996 Nov-Dec;82(6):596-9. doi: 10.1177/030089169608200617. PMID: 9061072.
Brar P, Jain S, Singh I. Complications of Axillary Lymph Node Dissection in Treatment of Early Breast Cancer: A Comparison of MRM and BCS. Indian J Surg Oncol. 2011 Jun;2(2):126-32. doi: 10.1007/s13193-011-0078-2. Epub 2011 Jul 22. PMID: 22693405; PMCID: PMC3244199.
Moradi A, Ebrahimzadeh MH, Ring D. Nonspecific arm pain. Arch Bone Jt Surg. 2013 Dec;1(2):53-8. Epub 2013 Dec 15. PMID: 25207288; PMCID: PMC4151410.
Q.
What are the possible causes of sharp pain under my right armpit?
A.
Sharp pain under your right armpit could come from swollen or irritated lymph nodes, infections, strained muscles, or skin issues that affect the sweat glands or nearby tissues.
References:
Li P, Chen S, Li P, Xu D, Tang X, Liao J, Xie H, Li G, Kuang Y, Su J, Tang S, Zhou J. Treatment of Axillary Osmidrosis by Rebalancing Skin Microecology With _Lactobacillus bulgaricus_. Front Microbiol. 2022 Apr 14;13:821696. doi: 10.3389/fmicb.2022.821696. PMID: 35495721; PMCID: PMC9048734.
Giambersio E, Magni V, Sardanelli F. Bilateral lymphadenopathies on mammograms: a case of mixed connective tissue disease and psoriatic arthropathy. BJR Case Rep. 2023 Jan 23;9(2):20220077. doi: 10.1259/bjrcr.20220077. PMID: 36998332; PMCID: PMC10043603.
Maini R, Nagalli S. Adenopathy. [Updated 2023 Aug 8]. In: StatPearls [Internet]. Treasure Island (FL): StatPearls Publishing; 2025 Jan-. Available from: https://www.ncbi.nlm.nih.gov/books/NBK558918/
Q.
What are the possible reasons for sharp pain under my left armpit?
A.
Sharp pain under your left armpit can be due to conditions affecting the nerves, tissues, or lymph nodes—sometimes from musculoskeletal issues or, in rare cases, cancers.
References:
Mikolajczyk AE, Zaman A, Zhang L. Atypical cause of axillary pain. _Am J Med_. 2016;129(2):e29-e30. doi:10.1016/j.amjmed.2015.09.039
Zakaria S, Johnson R, Pockaj BA, Degnim AC. Breast cancer presenting as unilateral arm edema. J Gen Intern Med. 2007 May;22(5):675-6. doi: 10.1007/s11606-006-0077-0. PMID: 17443377; PMCID: PMC1852908.
He FJ, Zhang P, Wang MJ, Chen Y, Zhuang W. Left armpit subcutaneous metastasis of gastric cancer: A case report. World J Clin Cases. 2019 Dec 6;7(23):4137-4143. doi: 10.12998/wjcc.v7.i23.4137. PMID: 31832419; PMCID: PMC6906569.
Q.
What could be the cause of pain under my right armpit?
A.
Pain under the right armpit can happen for many reasons, from muscle or nerve issues to signs of more serious conditions.
References:
Berger JP, Buclin T, Haller E, Van Melle G, Yersin B. Right arm involvement and pain extension can help to differentiate coronary diseases from chest pain of other origin: a prospective emergency ward study of 278 consecutive patients admitted for chest pain. J Intern Med. 1990 Mar;227(3):165-72. doi: 10.1111/j.1365-2796.1990.tb00138.x. PMID: 2313224.
Rubin DI, Shuster EA. Axillary pain as a heralding sign of neoplasm involving the upper thoracic root. Neurology. 2006 Jun 13;66(11):1760-2. doi: 10.1212/01.wnl.0000218165.93659.6c. PMID: 16769959.
Agostini F, Attanasi C, Bernetti A, Mangone M, Paoloni M, Del Monte E, Mammucari M, Maggiori E, Russo D, Marzo RD, Migliore A, Paolucci T. Web Axillary Pain Syndrome-Literature Evidence and Novel Rehabilitative Suggestions: A Narrative Review. Int J Environ Res Public Health. 2021 Oct 2;18(19):10383. doi: 10.3390/ijerph181910383. PMID: 34639683; PMCID: PMC8507961.
Q.
What could be the reason for experiencing pain in both armpits?
A.
Pain in both armpits is often due to inflammation or swelling of the lymph nodes, which can result from infections, autoimmune issues, or other systemic conditions.
References:
Hammond AM, Marion T, Carstens S, Saikaly SK. Bilateral, tender axillary nodules. JAAD Case Rep. 2022 Jul 6;27:49-51. doi: 10.1016/j.jdcr.2022.06.034. PMID: 36017193; PMCID: PMC9396251.
Giambersio E, Magni V, Sardanelli F. Bilateral lymphadenopathies on mammograms: a case of mixed connective tissue disease and psoriatic arthropathy. BJR Case Rep. 2023 Jan 23;9(2):20220077. doi: 10.1259/bjrcr.20220077. PMID: 36998332; PMCID: PMC10043603.
Updated 2023 Jul 24]. In: StatPearls [Internet]. Treasure Island (FL): StatPearls Publishing; 2025 Jan-. Available from: [https://www.ncbi.nlm.nih.gov/books/NBK559188/
Q.
What could cause pain in the armpit muscle?
A.
Pain in the armpit muscle could come from muscle strain or inflammation, and sometimes nearby lymph nodes or nerves might be involved.
References:
Haq I, Moss K, Morris VH. Myalgia with lymphadenopathy. J R Soc Med. 2001 Oct;94(10):521-2. doi: 10.1177/014107680109401008. PMID: 11581347; PMCID: PMC1282207.
Langford DJ, Paul SM, West C, Abrams G, Elboim C, Levine JD, Hamolsky D, Luce JA, Kober KM, Neuhaus JM, Cooper BA, Aouizerat BE, Miaskowski C. Persistent arm pain is distinct from persistent breast pain following breast cancer surgery. J Pain. 2014 Dec;15(12):1238-47. doi: 10.1016/j.jpain.2014.08.013. PMID: 25439319; PMCID: PMC4254679.
Mikolajczyk AE, Zhang L, Zaman A. Atypical cause of axillary pain. _Am J Med_. 2016;129(2):e29-e30. doi:10.1016/j.amjmed.2015.09.039
Q.
What could cause pain under both armpits without any lumps?
A.
Pain under both armpits without any lumps can be caused by shoulder problems, nerve issues, or muscle strains.
References:
Greenberg DL. Evaluation and treatment of shoulder pain. Med Clin North Am. 2014 May;98(3):487-504. doi: 10.1016/j.mcna.2014.01.016. Epub 2014 Mar 22. PMID: 24758957.
Lowry V, Lavigne P, Zidarov D, Matifat E, Cormier AA, Desmeules F. A Systematic Review of Clinical Practice Guidelines on the Diagnosis and Management of Various Shoulder Disorders. Arch Phys Med Rehabil. 2024 Feb;105(2):411-426. doi: 10.1016/j.apmr.2023.09.022. Epub 2023 Oct 11. PMID: 37832814.
Dean BJ, Gwilym SE, Carr AJ. Why does my shoulder hurt? A review of the neuroanatomical and biochemical basis of shoulder pain. Br J Sports Med. 2013 Nov;47(17):1095-104. doi: 10.1136/bjsports-2012-091492. Epub 2013 Feb 21. PMID: 23429268.
Q.
What could cause pain under my right armpit that radiates towards the back?
A.
Pain under your right armpit that radiates to your back could be due to issues like inflammation near the shoulder blade (scapulothoracic bursitis), nerve irritation from surgery, or problems after lymph node removal.
References:
Boneti C, Arentz C, Klimberg VS. Scapulothoracic bursitis as a significant cause of breast and chest wall pain: underrecognized and undertreated. Ann Surg Oncol. 2010 Oct;17 Suppl 3:321-4. doi: 10.1245/s10434-010-1232-8. Epub 2010 Sep 19. PMID: 20853053.
Warmuth MA, Bowen G, Prosnitz LR, Chu L, Broadwater G, Peterson B, Leight G, Winer EP. Complications of axillary lymph node dissection for carcinoma of the breast: a report based on a patient survey. Cancer. 1998 Oct 1;83(7):1362-8. doi: 10.1002/(sici)1097-0142(19981001)83:7<1362::aid-cncr13>3.0.co;2-2. PMID: 9762937.
Joaquim AF, Makhni MC, Riew KD. Post-operative nerve injuries after cervical spine surgery. Int Orthop. 2019 Apr;43(4):791-795. doi: 10.1007/s00264-018-4257-4. Epub 2018 Nov 29. PMID: 30498911.
Q.
What could cause sharp pain in my left armpit that comes and goes?
A.
Sharp, come-and-go pain in your left armpit could be due to nerve irritation, muscle issues, or, in rare cases, a small mass pressing on nerves. These causes may make the pain feel sudden and temporary.
References:
Rubin DI, Shuster EA. Axillary pain as a heralding sign of neoplasm involving the upper thoracic root. Neurology. 2006 Jun 13;66(11):1760-2. doi: 10.1212/01.wnl.0000218165.93659.6c. PMID: 16769959.
Mikolajczyk AE, Zhang L, Zaman A. Atypical cause of axillary pain. _Am J Med_. 2016;129(2):e29-e30. doi:10.1016/j.amjmed.2015.09.039
Patel RH, Sheth R, Hus N. Complex Regional Pain Syndrome Caused by an Axillary Lipoma. Cureus. 2020 Dec 25;12(12):e12280. doi: 10.7759/cureus.12280. PMID: 33510987; PMCID: PMC7828746.
Q.
What does a dull ache under my armpit indicate?
A.
A dull ache under your armpit could mean anything from muscle or nerve irritation to, in rare cases, an early sign of something more serious.
References:
Rubin DI, Shuster EA. Axillary pain as a heralding sign of neoplasm involving the upper thoracic root. Neurology. 2006 Jun 13;66(11):1760-2. doi: 10.1212/01.wnl.0000218165.93659.6c. PMID: 16769959.
Welsh P, Gryfe D. Atypical presentation of axillary web syndrome (AWS) in a male squash player: a case report. J Can Chiropr Assoc. 2016 Dec;60(4):294-298. PMID: 28065989; PMCID: PMC5178020.
He FJ, Zhang P, Wang MJ, Chen Y, Zhuang W. Left armpit subcutaneous metastasis of gastric cancer: A case report. World J Clin Cases. 2019 Dec 6;7(23):4137-4143. doi: 10.12998/wjcc.v7.i23.4137. PMID: 31832419; PMCID: PMC6906569.
Q.
What does it mean when your armpit hurts without any other symptoms?
A.
When your armpit hurts but you don't have other symptoms, it might just be a small issue like a mild infection or muscle strain, though sometimes it could be a sign of something more that needs checking.
References:
Maini R, Nagalli S. Adenopathy. [Updated 2023 Aug 8]. In: StatPearls [Internet].
Rubin DI, Shuster EA. Axillary pain as a heralding sign of neoplasm involving the upper thoracic root. Neurology. 2006 Jun 13;66(11):1760-2. doi: 10.1212/01.wnl.0000218165.93659.6c. PMID: 16769959.
Yardimci VH, Yardimci AH. An Unusual First Manifestation of Hodgkin Lymphoma: Epitrochlear Lymph Node İnvolvement-A Case Report and Brief Review of Literature. J Investig Med High Impact Case Rep. 2017 Apr 27;5(2):2324709617706709. doi: 10.1177/2324709617706709. PMID: 28508005; PMCID: PMC5415053.
Q.
What might be causing a pinching sensation under my armpit?
A.
A pinching feeling under your armpit can be due to a nerve being irritated or injured, sometimes from a small injury or strain.
References:
Boeson MB, Hranchook A, Stoller J. Peripheral nerve injury from intravenous cannulation: a case report. AANA J. 2000 Feb;68(1):53-7. PMID: 10876452.
Welsh P, Gryfe D. Atypical presentation of axillary web syndrome (AWS) in a male squash player: a case report. J Can Chiropr Assoc. 2016 Dec;60(4):294-298. PMID: 28065989; PMCID: PMC5178020.
Mohammed J, Ash C, Rai J. 'Patience is a virtue' - Post-traumatic Axillary Web Syndrome - resolution without intervention. Arch Clin Cases. 2023 Feb 20;10(1):18-20. doi: 10.22551/2023.38.1001.10233. PMID: 36814675; PMCID: PMC9940285.
Q.
What might cause a dull ache under my armpit without a lump?
A.
A dull ache under your armpit without a lump can be caused by a few different issues, such as nerve irritation (sometimes from problems in the upper chest), muscle strain, or rare conditions like axillary web syndrome. Very rarely, internal problems like certain cancers might first cause pain without a visible lump.
References:
Rubin DI, Shuster EA. Axillary pain as a heralding sign of neoplasm involving the upper thoracic root. Neurology. 2006 Jun 13;66(11):1760-2. doi: 10.1212/01.wnl.0000218165.93659.6c. PMID: 16769959.
Welsh P, Gryfe D. Atypical presentation of axillary web syndrome (AWS) in a male squash player: a case report. J Can Chiropr Assoc. 2016 Dec;60(4):294-298. PMID: 28065989; PMCID: PMC5178020.
He FJ, Zhang P, Wang MJ, Chen Y, Zhuang W. Left armpit subcutaneous metastasis of gastric cancer: A case report. World J Clin Cases. 2019 Dec 6;7(23):4137-4143. doi: 10.12998/wjcc.v7.i23.4137. PMID: 31832419; PMCID: PMC6906569.
Q.
What might cause left arm pain that extends from the shoulder to the hand?
A.
Pain that travels from your shoulder to your hand can be caused by a pinched nerve in your neck (cervical radiculopathy) or, though rarely, a small tumor in the arm, among other causes.
References:
Fast A, Parikh S, Marin EL. The shoulder abduction relief sign in cervical radiculopathy. Arch Phys Med Rehabil. 1989 May;70(5):402-3. PMID: 2719545.
Nebreda CL, Urban BJ, Taylor AE. Upper extremity pain of 10 years duration caused by a glomus tumor. Reg Anesth Pain Med. 2000 Jan-Feb;25(1):69-71. doi: 10.1016/s1098-7339(00)80014-0. PMID: 10660244.
Slaven EJ, Mathers J. Differential diagnosis of shoulder and cervical pain: a case report. J Man Manip Ther. 2010 Dec;18(4):191-6. doi: 10.1179/106698110X12804993426884. PMID: 22131792; PMCID: PMC3113270.
Q.
What might cause pain in both the armpit and shoulder?
A.
Pain in both the armpit and shoulder can be caused by shoulder injuries, nerve problems, or issues with nearby muscles and joints.
References:
Greenberg DL. Evaluation and treatment of shoulder pain. Med Clin North Am. 2014 May;98(3):487-504. doi: 10.1016/j.mcna.2014.01.016. Epub 2014 Mar 22. PMID: 24758957.
Lowry V, Lavigne P, Zidarov D, Matifat E, Cormier AA, Desmeules F. A Systematic Review of Clinical Practice Guidelines on the Diagnosis and Management of Various Shoulder Disorders. Arch Phys Med Rehabil. 2024 Feb;105(2):411-426. doi: 10.1016/j.apmr.2023.09.022. Epub 2023 Oct 11. PMID: 37832814.
Dean BJ, Gwilym SE, Carr AJ. Why does my shoulder hurt? A review of the neuroanatomical and biochemical basis of shoulder pain. Br J Sports Med. 2013 Nov;47(17):1095-104. doi: 10.1136/bjsports-2012-091492. Epub 2013 Feb 21. PMID: 23429268.
Q.
What might cause random sharp pain in my armpit?
A.
Random sharp pain in the armpit might come from several causes, including issues with lymph nodes or nerve irritation. It can be a signal worth checking with a doctor if it continues or worsens.
References:
Maini R, Nagalli S. Adenopathy. [Updated 2023 Aug 8]. In: StatPearls [Internet].
Rubin DI, Shuster EA. Axillary pain as a heralding sign of neoplasm involving the upper thoracic root. Neurology. 2006 Jun 13;66(11):1760-2. doi: 10.1212/01.wnl.0000218165.93659.6c. PMID: 16769959.
Yardimci VH, Yardimci AH. An Unusual First Manifestation of Hodgkin Lymphoma: Epitrochlear Lymph Node İnvolvement-A Case Report and Brief Review of Literature. J Investig Med High Impact Case Rep. 2017 Apr 27;5(2):2324709617706709. doi: 10.1177/2324709617706709. PMID: 28508005; PMCID: PMC5415053.
Q.
What should I do if I have persistent pain in my armpit area?
A.
If you have persistent armpit pain, it is important to have it evaluated by a healthcare provider who can determine the cause and develop an appropriate treatment plan.
References:
Langford DJ, Paul SM, West C, Abrams G, Elboim C, Levine JD, Hamolsky D, Luce JA, Kober KM, Neuhaus JM, Cooper BA, Aouizerat BE, Miaskowski C. Persistent arm pain is distinct from persistent breast pain following breast cancer surgery. J Pain. 2014 Dec;15(12):1238-47. doi: 10.1016/j.jpain.2014.08.013. PMID: 25439319; PMCID: PMC4254679.
Mohseni S, Shojaiefard A, Khorgami Z, Alinejad S, Ghorbani A, Ghafouri A. Peripheral lymphadenopathy: approach and diagnostic tools. Iran J Med Sci. 2014 Mar;39(2 Suppl):158-70. PMID: 24753638; PMCID: PMC3993046.
Welsh P, Gryfe D. Atypical presentation of axillary web syndrome (AWS) in a male squash player: a case report. J Can Chiropr Assoc. 2016 Dec;60(4):294-298. PMID: 28065989; PMCID: PMC5178020.
Q.
When should I be concerned about pain in my left armpit?
A.
You should be concerned if your left armpit pain is severe, persistent, or comes with other unusual symptoms like fever, swelling, or skin changes, and it’s important to have it checked by a doctor.
References:
Ballard K, Shuman VL. Hidradenitis Suppurativa. 2024 May 6. In: StatPearls [Internet]. Treasure Island (FL): StatPearls Publishing; 2025 Jan–. PMID: 30521288.
Updated 2023 Jul 24]. In: StatPearls [Internet]. Treasure Island (FL): StatPearls Publishing; 2025 Jan-. Available from: [https://www.ncbi.nlm.nih.gov/books/NBK559188/
https://www.ncbi.nlm.nih.gov/books/NBK559188/
Koehler LA, Blaes AH, Haddad TC, Hunter DW, Hirsch AT, Ludewig PM. Movement, Function, Pain, and Postoperative Edema in Axillary Web Syndrome. Phys Ther. 2015 Oct;95(10):1345-53. doi: 10.2522/ptj.20140377. Epub 2015 May 14. PMID: 25977305; PMCID: PMC4595809.
Q.
When should I seek medical attention for sharp pain under my armpit?
A.
You should seek medical attention for sharp armpit pain if it lasts a long time (2 weeks), gets worse, or comes with other concerning signs like swelling, fever, or changes in the skin.
References:
Rubin DI, Shuster EA. Axillary pain as a heralding sign of neoplasm involving the upper thoracic root. Neurology. 2006 Jun 13;66(11):1760-2. doi: 10.1212/01.wnl.0000218165.93659.6c. PMID: 16769959.
Hammond AM, Marion T, Carstens S, Saikaly SK. Bilateral, tender axillary nodules. JAAD Case Rep. 2022 Jul 6;27:49-51. doi: 10.1016/j.jdcr.2022.06.034. PMID: 36017193; PMCID: PMC9396251.
Welsh P, Gryfe D. Atypical presentation of axillary web syndrome (AWS) in a male squash player: a case report. J Can Chiropr Assoc. 2016 Dec;60(4):294-298. PMID: 28065989; PMCID: PMC5178020.
Q.
Why am I experiencing right armpit pain without a lump?
A.
Right armpit pain without a lump could be caused by nerve irritation, injury, tight bands of tissue (like in axillary web syndrome), or rarely early signs of other conditions.
References:
Rubin DI, Shuster EA. Axillary pain as a heralding sign of neoplasm involving the upper thoracic root. Neurology. 2006 Jun 13;66(11):1760-2. doi: 10.1212/01.wnl.0000218165.93659.6c. PMID: 16769959.
Welsh P, Gryfe D. Atypical presentation of axillary web syndrome (AWS) in a male squash player: a case report. J Can Chiropr Assoc. 2016 Dec;60(4):294-298. PMID: 28065989; PMCID: PMC5178020.
He FJ, Zhang P, Wang MJ, Chen Y, Zhuang W. Left armpit subcutaneous metastasis of gastric cancer: A case report. World J Clin Cases. 2019 Dec 6;7(23):4137-4143. doi: 10.12998/wjcc.v7.i23.4137. PMID: 31832419; PMCID: PMC6906569.
Q.
Why do I feel sharp pain in my armpit?
A.
Sharp pain in your armpit can come from issues with nerves or nearby tissues like a lipoma or swollen lymph nodes. While this pain can sometimes be due to a minor injury, it’s important to have it checked if it continues or worsens.
References:
Patel RH, Sheth R, Hus N. Complex Regional Pain Syndrome Caused by an Axillary Lipoma. Cureus. 2020 Dec 25;12(12):e12280. doi: 10.7759/cureus.12280. PMID: 33510987; PMCID: PMC7828746.
Tessler J, Talati R. Axillary Nerve Injury. [Updated 2023 Aug 14]. In: StatPearls [Internet].
Maini R, Nagalli S. Adenopathy. [Updated 2023 Aug 8]. In: StatPearls [Internet].
Q.
Why does my right armpit hurt and should I be worried?
A.
Right armpit pain can be due to things like muscle strain, swollen lymph nodes from an infection, or even changes in the lymph system. While many causes are benign, you should see a doctor if the pain continues, worsens, or comes with other concerning signs.
References:
diFlorio-Alexander RM, Song Q, Dwan D, Austin-Strohbehn JA, Muller KE, Kinlaw WB, MacKenzie TA, Karagas MR, Hassanpour S. Fat-enlarged axillary lymph nodes are associated with node-positive breast cancer in obese patients. Breast Cancer Res Treat. 2021 Aug;189(1):257-267. doi: 10.1007/s10549-021-06262-z. Epub 2021 Jun 3. PMID: 34081259; PMCID: PMC8302552.
Hafez MT, Refky B, Elwahab KA, Arafa M, Abdou I, Elnahas W. Axillary lymph nodes metastasis in a patient with recurrent papillary thyroid cancer: a case report. J Med Case Rep. 2015 Aug 26;9:181. doi: 10.1186/s13256-015-0668-7. PMID: 26307101; PMCID: PMC4549854.
Updated 2023 Apr 19]. In: StatPearls [Internet]. Treasure Island (FL): StatPearls Publishing; 2025 Jan-. Available from: [https://www.ncbi.nlm.nih.gov/books/NBK537239/
Ubie is supervised by 50+ medical experts worldwide
Our symptom checker AI is continuously refined with input from experienced physicians, empowering them to make more accurate diagnoses.
Ubie is recognized by healthcare and tech leaders
“World’s Best Digital
Health Companies”
Newsweek 2024
“Best With AI”
Google Play Best of 2023
“Best in Class”
Digital Health Awards 2023 (Quarterfinalist)
Which is the best Symptom Checker?
Ubie’s symptom checker demonstrated a Top-10 hit accuracy of 71.6%, surpassing the performance of several leading symptom checkers in the market, which averaged around 60% accuracy in similar assessments.
Link to full study:
https://www.medrxiv.org/content/10.1101/2024.08.29.24312810v1