Dear Doctors: I got a few patches of itchy, red skin on my arms six months ago.
My doctor says it's atopic dermatitis, but the cream he gave me isn't helping. My friend says it's eczema, which she also has. She let me try her prescription cream, and it got better. Does that mean I have eczema?
Dear Reader: Your physician and your friend are using different words, but they're actually referring to th…