but they can also develop on the scalp, legs, and arms. In most cases, the blisters are itchy. A yellowish crust will eventually form over them. Impetigo is incredibly contagious and can spread if ...

Tinea capitis causes hair loss, scaling, erythema, and impetigo-like lesions ... Initial symptoms are an erythematous area on the scalp with patchy alopecia and dry scaling.

Impetigo of the scalp is a common bacterial infection that can swell the lymph nodes on the back of the head and cause red sores that burst and crust over. Impetigo is very contagious, but ...