Medically reviewed by Casey Gallagher, MD Key Takeaways Armpit rashes can be caused by allergic reactions to deodorants or shaving creams.If products like deodorant cause a rash, you might be allergic ...

If your skin suddenly turns red, itchy, or inflamed, you may find yourself wondering whether it’s a simple rash or a case of hives. While both conditions affect the skin and can look alike, they are ...

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 ...