1. Shingles is a painful skin rash that can pop up in people who have had chickenpox.
2. People who are allergic to the latex produced by rubber trees can develop a mild skin rash from poinsettia plants.
3. It usually starts with pain and itching on the skin that later turns into an irritating rash.
4. In severe cases the rash itches so badly that youths scratch their skin raw and infection sets in.