Shingles, also called herpes zoster, is a painful, itchy rash that typically appears as a stripe on one side of the torso, which then becomes a painful rash that blisters and scabs over. It is caused by a reactivation of the chickenpox virus, which lies dormant in the nervous system after a person contracts chickenpox and typically appears in people over age 50.
Early intervention can help clear up the rash before it becomes too painful. Immunocompromised individuals, or those taking immunosuppressive drugs, are also more susceptible to developing shingles. Vaccination against shingles will reduce your chances of an outbreak.