With cold and flu season comes an increased risk of sinus infections, which can trigger a runny nose, sinus pressure ... relief from bothersome sinus infection symptoms like nasal congestion.

This can cause nasal congestion and runny nose, Dr. Bellak says. When mucus is thin, your sinuses naturally clear out. But when the mucus becomes thick and blocks drainage, the sinus pressure ...

Sinusitis, or a sinus infection, can cause a stuffy or runny nose, a decreased sense of smell, and other symptoms. You can usually manage the symptoms at home with a decongestant. The sinuses are ...