Medically reviewed by Susan Bard, MD Key Takeaways Some red spots on the skin can be harmless, while others may require medical attention. Conditions like heat rash, cherry angiomas, lichen planus, ...

From white blisters to red and scaly patches, psoriasis skin rashes come in several different forms. How do you know if you have psoriasis or a similar-looking skin condition?

A 62-year-old man visited his doctor about rough, scaly spots on his chest, arms, and hands. The spots had been present for some months but lately they had become more red and inflamed. The patient ...

That mysterious dark spot on your arm. The raised bump that appeared overnight. The cluster of tiny dots near your shoulder. When new marks appear on your skin, it’s natural to feel concerned about ...