
A first-degree burn injures the top layer of skin (epidermis) and causes the tissue below the skin (dermis) to become red and swollen.
| By | Healthwise Staff |
| Primary Medical Reviewer | William H. Blahd, Jr., MD, FACEP - Emergency Medicine |
| Specialist Medical Reviewer | H. Michael O'Connor, MD - Emergency Medicine |
| Last Revised | December 27, 2012 |