The exam shows erythematous papules and vesicles on the upper and lower extremities, along with scattered crusted lesions and ...

Cold sores are small blisters that usually appear around the mouth. Find out how long they last, the stages of healing, and treatments that may help.

Subungual melanoma is a rare, aggressive type of skin cancer that develops from structures within the nail apparatus.

This review provides a concise overview of the pathogenesis, diagnostic criteria, differential diagnosis, and treatment of Lyme Disease.