Medically reviewed by Brendan Camp, MD A rash, or dermatitis (eczema), on the neck is skin inflammation and irritation. It ...

In most cases, the rash from a wandering worm is in a foot, ankle, thigh, or rear—basically from a person walking or sitting in fecal-contaminated soil with exposed skin. But, in the New England ...

The rash showed up on his neck because he spent a lot of time lying ... A small skin sample called a biopsy, revealed a mild inflammation, and a fungal test returned negative.