herpes

viral diseases causing eruptions of the skin or mucous membrane

any of the animal viruses that cause painful blisters on the skin

An eruption of the skin, taking various names, according to its form, or the part affected; especially, an eruption of vesicles in small distinct clusters, accompanied with itching or tingling, including shingles, ringworm, and the like; -- so called from its tendency to creep or spread from one part of the skin to another.