There's also one big difference between the flu and COVID or a cold that can indicate which illness you have. Don't ignore it ...

Symptoms usually come on suddenly, according to the CDC, and can include fevers above 100.4 degrees F, dry cough, sore throat ...

— The flu, caused by influenza viruses that are always changing, leads to fever, chills, cough, sore throat, runny nose, body ...

A dull feeling in your left arm could be from overuse or strain. Learn what causes pain on this part of the arm here and ...

Health experts have warned that back pain “that doesn’t go away with rest” could signal cancer. According to Cancer Research ...

Medically reviewed by Smita Patel, DO It can be tricky to pinpoint the cause of pain at the base of your skull, the area ...

Norovirus tends to come on hard and fast. “Nausea and or vomiting are usually the first symptoms of norovirus,” says ...

When you think of a migraine, what are the “typical” symptoms that come to mind? Pulsing pain, light sensitivity and nausea ...

The symptoms associated with MS vary depending ... if your doctor can’t find any other explanation for your whole-body pain. The pain will also need to have occurred for at least 3 months.

Kidney stones are a common health concern. About 11% of men and 9% of women in the U.S. have kidney stones at least once ...

A college student gets over the flu, but two weeks later feels winded after climbing stairs and complains of abdominal pain.