Medically reviewed by Brendan Camp, MD Psoriasis is a skin condition that causes patches of inflamed, scaly, flaky skin. It's most likely to affect your elbows, knees, or scalp, but psoriasis can ...

How to tell if you have psoriasis or ringworm as these two skin conditions look similar but need completely different ...

Medically reviewed by Casey Gallagher, MD Psoriasis and ringworm (tinea corporis) cause scaly rashes but have different causes and treatments. Psoriasis is an autoimmune condition, while ringworm is a ...