A nose that won't stop running isn’t just annoying; it can affect your quality of life. “If you've got a runny nose that you constantly have to sniff up or use a tissue—that has a significant impact on the way you feel throughout the entire day,” says Dr. William Reisacher, an otolaryngologist (also known as an ear, nose, and throat doctor, or ENT) specializing in allergies at Weill Cornell Medicine and NewYork-Presbyterian Hospital. There’s a medical definition for a nose that runs like a