Medically reviewed by Bryan M. Wolynski, OD Key Takeaways Watery eye mucus often comes from a virus and is linked to pink eye.  Thick green or gray mucus can mean a bacterial infection needing ...

Cystic fibrosis affects many parts of the body, but its effects on the lungs can be especially harmful. Cystic fibrosis is a chronic and progressive condition that causes the mucus in your lungs to be ...

‘Tis the season of sniffles and sinus issues. But experts say there are ways to get relief. “Sinuses are pockets of air inside our facial skeleton that produce mucus throughout the day. There are ...

A cough lasting more than three weeks could signal underlying health issues. Know possible causes, red flags, and when medical attention becomes essential.

Dear Dr. Roach: I am an 103-year-old woman with a medical problem that I hope you can help me with. I cough up a lot of mucus every day, which is clear with no discoloration. The cough can start at ...

Q: I am continuously bothered by mucus or phlegm in my throat. I have a hard time swallowing it. Sometimes it seems to cover my throat so I can't breathe. One doctor told me it wasn't anything and ...

A newly discovered bacterial duo may be the hidden cause of chronic constipation. The two microbes break down the colon’s protective mucus layer, leaving stool dry and hard — a problem traditional ...

Two mucus-degrading gut bacteria may be quietly drying out the colon, triggering chronic constipation that doesn’t respond to usual treatments.