Post Nasal Drip
Free Symptom Checker
with Physician-supervised AI

Reviewed By:

Eric A. Gantwerker, MD, MMSC

Eric A. Gantwerker, MD, MMSC (Ear, nose, throat (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 (Ear, nose, throat (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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  • Posterior nasal drip

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Content updated on Nov 29, 2023

About the symptom

Backdrip of mucus into my throat otherwise known was post-nasal drip describes the feeling of mucus or phlegm dripping down the back of the throat. This can often causing cough, sore throat, and frequent throat clearing. It can be related to nasal allergies or nasal infections.

When to see a doctor

Seek professional care if you experience any of the following symptoms

  • Fever

  • Headache

Possible causes

  • Sinusitis

    Infection of the sinuses, which are cavities around the nose and face. The infection can be acute (lasting about a week) or chronic (lasting more than three months). Most often infections start as a viral upper respiratory infection (URI) and then bacterial infection sets in. The symptoms include fever, facial pain or pressure, and nasal obstruction or drainage. Imaging including CT scans may be necessary.

  • 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.

  • Common cold (upper respiratory tract infection)

    Viral infection of the nose and throat. Symptoms include coughing, runny nose, and throat pain. Most colds are caused by viruses; a few are caused by bacteria.

  • Cough variant asthma
  • Coronavirus infection

  • Acute tonsillitis / pharyngitis

Questions your doctor may ask about this symptom

Your doctor may ask these questions to check for this symptom

  • Does nasal fluid drip into throat when lying back?

  • Do you have a fever?

  • Is your throat sore?

  • Do you have a cough?

  • Do you have phlegm?

Other Related Symptoms

Similar symptoms or complaints

References

  • Treatment for Post-Nasal Drip - Harvard Health

    https://www.health.harvard.edu/staying-healthy/treatments-for-post-nasal-drip

  • Post-Nasal Drip - Cleveland Clinic

    https://my.clevelandclinic.org/health/diseases/23082-postnasal-drip

  • O'Hara J, Jones NS. "Post-nasal drip syndrome": most patients with purulent nasal secretions do not complain of chronic cough. Rhinology. 2006 Dec;44(4):270-3. PMID: 17216744.

    https://pubmed.ncbi.nlm.nih.gov/17216744/

Reviewed By:

Eric A. Gantwerker, MD, MMSC

Eric A. Gantwerker, MD, MMSC (Ear, nose, throat (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 (Ear, nose, throat (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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