Medically reviewed by Renee Nilan, MD Key Takeaways COVID arm rash is a mild reaction that usually appears a week after the ...

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 ...

Viral skin rashes (also known as viral exanthems) can cause itching, irritation, and pain — and possibly symptoms like fever or fatigue. Unlike allergic rashes, which happen when your immune system ...

Subacute cutaneous lupus (SCLE) is a type of lupus that causes skin rashes. It’s usually triggered by sun exposure and can be caused or worsened by certain medications, such as proton pump inhibitors ...

If you've ever self-diagnosed your inflamed, itchy scalp with eczema just to have your dermatologist tell you it's actually psoriasis, you're not alone. The two conditions are extremely similar in ...