herpes simplex infection at arm. small and painful vesicles

adult allergic allergy arm blister blisters boy burn chemical dermatitis dermatologist disease elbow forearm heal healed healing herpe herpes infected infection inflammation isolated joint lesion lesions limb male man pain painful patches problem problems reaction red redness scab scabs scar scars sign signs simplex skin sore sores symptom symptoms ulcer ulcers vesicle vesicles viral virus zoster