If your nose sometimes runs when you eat, you could have gustatory rhinitis. The condition is caused by inflammation in the mucous membrane of the nose that can make the nose run. It is not an allergy ...
One study of 2,887 people in Italy found that people with gastritis and GERD had a fourfold greater risk of rhinitis (not caused by allergies) and sinusitis. Runny nose also is a symptom of GERD ...