When the skin is overexposed to the ultraviolet rays of the sun a sunburn can occur. The symptoms of a sunburn can take up to 24 hours to appear. The skin can be red, warm, tender, blistered, and swollen.
UPHS Contact Us
Site Map Privacy
The University of Pennsylvania Health System, Philadelphia, PA 1-800-789-PENN ©
2016, The Trustees of the University of Pennsylvania