Ellen K. Roh MD


Erythema Nodosum

Erythema nodosum (say “air-uh-THEE-muh noh-DOH-sum”) is a condition in which red, painful bumps suddenly appear under the skin. They usually appear on the shins, but they may also appear on the forearms, thighs, and trunk. This condition can be caused by a number of diseases and infections, or it can be caused by…

Atopic Dermatitis (Eczema)

Covers long-lasting skin problem which is also known as eczema or atopic eczema. Looks at symptoms like dry skin, itching, and a red, raised rash. Covers treatments including using moisturizing creams and medicines. Offers prevention tips.

Lichen Planus

Lichen planus is an uncommon, recurrent skin condition that causes itchy, shiny reddish purple spots on the skin; gray-white spots in the mouth; glassy bright red spots on the vulva (the area around the vagina); and small patchy areas of hair loss (scarring alopecia). The symptoms of lichen planus may begin abruptly or…