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 ...

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 ...

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.