Can Stress Cause a Rash?

Q: Before my wedding, before job interviews, and anytime I have a bit of stress, my arms, wrists, and hands break out in an itchy rash. Can stress cause a rash? How do I prevent this from occurring, and how do I treat it?

A: Stress is one of the known triggers of hives, an outbreak of raised, red spots (or welts) on the skin that often itch.