A painful sore throat is a signature symptom of an Omicron subvariant called NB.1.8.1, or Nimbus. It now makes up about a ...

Characteristic. Cold. Allergy. How Long It Lasts. 3-14 days. Days to months -- as long as you're in contact with the allergy trigger and a short time after ...

Fibromyalgia affects an estimated 5.8 million Americans. Here you'll find in-depth fibromyalgia information including symptoms, pain relief, and promising treatments.

WebMD explains the symptoms of depression in children, teens, and adults. Skip to main content . Home ; Conditions . ... Your symptoms may go away over time, but the condition won’t.

Tonsillitis is an inflammation of your tonsils, two masses of tissue in the back of your throat. It’s most common in children and can be caused by both viral and bacterial infections.

I’m a WebMD doctor — the 5 symptom combos you should get checked ASAP By . Reda Wigle. Published May 29, 2025, 11:41 a.m. ET.