Medically reviewed by Leah Ansell, MD Dark neck is a common condition in which the skin on the neck (often the back of it) is darker than the rest of the body, perhaps with a band or line of dark ...

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

a vast number of diseases and trigger mechanisms can lead to acquired pigmentation of the neck. Nonhereditary variants of reticulate and mottled pigmentation can affect the neck as a typical site ...