Managing Photosensitivity With Erythropoietic Protoporphyria (EPP)
It is sometimes referred to as being allergic to the sun. There are many causes of photosensitivity, such as reactions to certain medications and underlying health conditions. One such condition iserythropoietic protoporphyria(EPP), which is a rare genetic disorder. RunPhoto / Getty Images People with EPP experience a range of photosensitivity, from mild discomfort to severe pain. People with EPP have decreased activity of an enzyme calledferrochelatasein their red blood cells....