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 ...

Meningitis symptoms like a fever, headache, and nausea look like many other conditions. If you’re not sure what you have, call a doctor for advice. What should you do if you suspect meningitis?

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 ...

Compare and learn how to identify the difference between symptoms of Coronavirus (COVID-19) and allergies. Also, learn how to treat allergies during a pandemic.

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.

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.

Ticks are parasites that bite and feed on humans and pets. They can spread Lyme disease and other infections. Here's what to ...