Dear Doctors: I have dandruff, and my doctor says it's from seborrheic dermatitis. Can you explain what that is? I've been using the special shampoo I was given, and it helps. When I stop using it, ...

The skin flakes and itchy, red scalp that are telltale signs of seborrheic dermatitis (a.k.a. dandruff) are typically caused by a yeast type of fungus. “A yeast found on the skin called malassezia can ...

When you have eczema, affected skin can range from itchy and annoying to inflamed and downright aggravating. And when eczema shows up on your scalp — also known as seborrheic dermatitis — traditional ...