Herpes zoster (shingles) is a type of viral infection known for causing painful rashes that most often develop on your torso but may occur anywhere on your body. This includes your arms. If you ...

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Herpes and shingles both cause blistering rashes. Herpes typically affects the face or mouth, or the genitals or rectum. In contrast, shingles usually affects one side of the body close to the ...