Acanthosis nigricans (AN) is not a rash. It's a velvety thickening of the skin in the body's folds and creases, including the armpits. These patches appear darker in color than the surrounding skin.

Armpit rashes can be caused by allergies, irritation, infections, or skin conditions. Learn about symptoms, causes, treatments, and prevention tips.

Diaper rash ointment that contains zinc oxide helps treat and protect delicate underarm skin from irritation. [ 13 ] Petroleum jelly is another good product to apply to your underarms, as it helps ...

These 23 skin rash pictures and expert tips can help you decipher your skin. Here's what that itchy rash could mean — and when to see a doctor. Amazon Prime Day Preview: Exclusive early deals on ...

Many factors can cause itchy skin without a visible rash or skin changes. Learn about the possible causes and treatments of itching without a rash.

Skin rashes often signal hidden health problems. Learn when these mysterious skin warnings need medical attention beyond home treatment. Skin rashes often signal hidden health problems.

Twenty percent or more of people may have a rash after surgery. Post-surgical rash may be caused by drugs or exposure to substances used before, during, or after surgery.

Kids can get skin rashes due to viral infections, including COVID-19. In fact, children are "a little more prone to these skin reactions with viruses than adults are," Walls explains.

COVID skin rashes Hives. Hives, also called urticaria, can be related to allergies.But they also appear after a viral infection, including COVID-19. The condition can present as raised, itchy red ...

COVID skin rashes Hives. Hives, also called urticaria, can be related to allergies.But they also appear after a viral infection, including COVID-19. The condition can present as raised, itchy red ...