Photodermatitis, or sometimes called by the nonscientific term sun poisoning, is a reaction of the skin to UV rays of the sun, or photoallergy. It may be caused by a medication that makes the skin more sensitive, a skin product (e.g. sunscreen containing PABA, certain fragrances), autoimmune conditions such as systemic lupus erythematosus (SLE) or a vitamin deficiency. Doctors can determine the presence of the disorder through a photo test.
Causes
Many medications cause sun sensitivity, including:
Symptoms
May result in swelling, a burning sensation, a red itchy rash sometimes resembling small blisters, and peeling of the skin. Nausea may also occur.
Prevention
Prevention includes avoiding exposure to the sun:
- Stay inside during the brightest hours of the day, from noon to 3 p.m.
- Cover up: wear long sleeves, pants, and a wide-brimmed hat whenever harsh exposure is probable. Remember that cloud cover does not provide protection from UV rays.citation needed
- Avoid chemicals that may trigger a reaction (do not, however, stop taking medication without consulting a doctor).
- Wear sunscreen[1] at least factor 30 with a high UVA protection level.
- If the symptoms are severe, see a doctor.
Foods and treatment
The following foods or treatment may also help:
References
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