Prickly heat rash on a man's back - Stock Image - C058/5871

By A Mystery Man Writer

Prickly heat rash, also known as sudamina, on the back of a male patient. This is a form of the condition known as miliaria rubra, which causes an itchy rash of small, inflamed blister-like bumps to form on the skin. CID-ISM/SCIENCE PHOTO LIBRARY