We usually think of COVID-19 as a viral illness that causes respiratory symptoms, like congestion, sore throat and a cough. But, like a surprising amount of other viruses, the coronavirus can also ...

Hives are itchy red or white bumps that often stem from an allergic reaction. Some rashes are contagious, but hives are not spread from person to person. Corticosteroids and biologics can treat both ...

Medically reviewed by Susan Bard, MD Hives are red, raised bumps that stem from allergies, infections, or stress.Flea and chigger bites look like small, red, pimple-like bumps and feel very ...

When a blotchy red rash pops up on your skin, it's not easy to know exactly what the cause is. With thousands of skin diseases to choose from, deciphering your skin can be a challenge. But with skin ...

Chemo rash is one of the most common side effects of cancer treatment. These rashes usually aren’t serious, but they can cause pain, itching, and other uncomfortable symptoms. Chemotherapy, also ...

During its second stage, syphilis may lead to a rash on one or several parts of the body. It most commonly affects the trunk, palms of the hands, and soles of the feet. The rash typically does not ...