A member asked:

What causes post nasal drip (constant lump feeling when swallow) & periodic nasal congestion same side, for month. endoscopy normal, culture negative?

A doctor has provided 1 answer

Allergies?: Nasal allergies, septal deviation and chronic sinusitis can cause your symptoms, consult an allergist to identify your triggers and help you with you symptoms.

Answered 10/23/2017

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