A runny nose, also known as nasal drip, post-nasal drip, and nasal discharge, can be described as mucus accumulation in the nose that causes or gives the sensation of mucus dripping out of the nose. Runny noses are a common symptom of cold, flu, and allergies.
* The information on this site is for informational purposes only and should not be used for diagnosing, treating, or preventing any health problem.