When plaques form on or behind the ear, or in the ear canal Medically reviewed by Katlein Franca, MD Fact checked by Sarah Scott When psoriasis plaques—red, scaly patches of skin—affect the ...

People with naturally dry skin are more likely to ... usually causes patches of white scales and flaky skin to form on the scalp, often behind the ears. Flare-ups of psoriasis symptoms can be ...