Painful rash on one side of my body
A painful, blistering rash that wraps around one side of the body is classic shingles. Antivirals work best within 72 hours of the rash — a provider can prescribe online today.
Also called: shingles rash · zoster · band of blisters
Medically reviewed by Dr. Ikechukwu Ogbu, MD
MD · Board-Certified, Internal Medicine · Last reviewed June 2026