Self-tests and over-the-counter remedies mean you don’t always need to see a doctor. Here's how to tell when you do.

Read More: 12 Weird Symptoms Endocrinologists Say You Should Never Ignore As a general rule, doctors say it’s important to ...

Common walking pneumonia symptoms to look out for include a sore throat, extreme fatigue, chest pain or discomfort, a low-grade fever, chills, coughing, sneezing, and headache, according to Cleveland ...

High blood pressure, or hypertension, earns its reputation as the silent killer by developing stealthily until serious ...

Chest infections are common, especially after a cold or flu during autumn and winter. The Queen has been forced to withdraw ...

Coughing is enough of a nuisance when it doesn't impact your sleep, so it's arguably even more frustrating when you can't ...

Influenza A is the most common variant of the flu and the one you’re most likely to get during pregnancy. A flu shot is the ...

It’s that time of year again – no, not the countdown to Christmas, but the season of sore throats. The symptoms are all too ...

It seems that some are just more prone to illnesses than others, but why? Is there anything that accounts for the difference, ...

EXCLUSIVE: A health expert says symptoms inside someone's mouth could be a sign of a contagious winter bug that is circling ...

Russo says. It really depends. “The flu varies in severity from very mild and having almost no symptoms to very severe,” Dr. Schaffner says. “But the average person’s flu lasts from five to seven days ...

An expert tells PEOPLE how to manage the 'highly infectious' atypical pneumonia, also known as 'walking pneumonia,' and ...