A member asked:

Phlegm in throat all the time post nasal drip and coughing up clear mucous. worse when eating. allergy tested all negative. what could this be?

A doctor has provided 1 answer
Dr. Corey Clay answered

Specializes in Allergy and Immunology

Gustatory rhinitis: Non-allergic causes of rhinitis (which often causes persistent postnasal mucus drip and cough) are many. One is an autonomic nerve response after eating (gustatory rhinitis). Onset often occurs in the mid 40s-50s. Treatment is available and I would suggest starting with a Allergy consult.

Answered 1/3/2016

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