When a pet has a runny, stuffy or nose discharge, as long as it has a clear color is nothing to be concern about. However, if the discharge becomes chronic, is foul-smelling or turns yellowish-green, it could be a sign of various medical problems. Some of the most common issues that can cause nose discharge in pets include respiratory infections, allergies and blockages. Other causes of nose discharge in dogs and cats are distemper, tumors, polyps and fistula.
Nose Discharge in Pets Affects