Most scabs on the scalp aren’t cause for concern. They may be caused by exposure to an irritant or a mild skin condition, and either heal on their own or with over-the-counter (OTC) treatments.

A rash, or dermatitis (eczema), on the neck is skin inflammation and irritation. It causes a change in appearance and texture on the front, sides, or back of the neck. The appearance of a neck rash ...