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

A blocked ear is a symptom, not a diagnosis. And sometimes, finding the reason for that sensation is what finally makes the ear feel normal again ...

Ear pain during a cold is often caused by congestion, fluid buildup, or an ear infection. Learn about home remedies, treatment options, and warning signs.

Middle-ear infections caused by Gram-negative bacteria remain among the most common pediatric illnesses worldwide. When the eustachian tube-responsible for balancing pressure and clearing mucus-fails ...