Medically reviewed by William Truswell, MDIt can be difficult to tell the difference between seborrheic dermatitis vs.

Dark underarms may simply have to do with pigmentation and levels of melanin in the skin. But sometimes armpit discoloration ...

People may refer to seborrheic dermatitis as cradle cap when it occurs in infants. This type of dermatitis is most common on the scalp, though it can also occur on the face, chest, and around the ...

It’s more likely to affect areas like the face, eyebrows, behind the ears, or even the chest. The flare-up can sustain for a few days or weeks in some cases. Seborrheic dermatitis in babies is ...