Experts explain what causes postnasal drip, why antihistamines don’t always help, and how to get relief from mucus.

Many people are unsure whether swallowing mucus is harmful, leading to unnecessary worry when they’re sick.What you can do: Spit out excess mucus to clear irritants and open up drainage pathways.The ...

Breathing difficulties and persistent mucus buildup can significantly impact daily life, making simple activities feel exhausting and uncomfortable. When airways become congested with thick secretions ...

Postural drainage is a form of physical therapy that can help people expel excess fluids from the body. It is particularly helpful for people with cystic fibrosis. Postural drainage is a technique ...

DEAR MAYO CLINIC: I have had ongoing nasal congestion and mucus for the past several months. I thought it was allergies, but my doctor says I likely have acute sinusitis brought on by allergic ...

Nasal congestion, headaches and facial pressure may become familiar parts of fall and early winter -- but determining what is ...

Mucus consists mainly of water and a gel-forming molecule called mucin. The body uses mucus to protect tissues, remove particles, and prevent infections. Mucus is essential for the functioning of many ...