Medically reviewed by Renee Nilan, MD Key Takeaways The sniffles often include a stuffy or runny nose and are commonly caused ...

That persistent feeling of mucus dripping down the back of your throat or constant need to clear your nose isn’t just annoying — it’s a condition called catarrh that affects millions of Americans.

Several nutrient-dense foods can aggravate cough, cold and chest congestion by irritating the throat, triggering excess mucus ...