What is Sun Allergy?
A sun allergy manifests itself as a skin rash that breaks out after exposure to the sun. People most prone to having this reaction are those with fair skin, the elderly, as well as those taking drugs that have photosensitivity as one of their side effects.
Symptoms of Sun Allergy
Symptoms of sun allergy include:
The most affected areas are those that are exposed to the sun such as chest, arms and legs.
Causes of Sun Allergy
The cause of sun allergy has been linked to fair skin and certain drugs that may reduce your melanin production. Less melanin means less protection from the sun.
Other causes like the activation of certain substances on your skin in the presence of the sun's rays, may also act as a culprit. A sun allergy is somewhat related to a heat allergy in that sweat, heat, and the rubbing of clothing fibers causes an allergic reaction.
Drugs which may increase your sensitivity to light are antibiotics, antifungals, antihistamines, analgesics, anesthetics. Preservatives and even cosmetics may also increase the chance of an allergic reactions to the sun.
Treatment for Sun Allergy
Avoiding sun exposure and keeping your skin cool is the best thing you can do to prevent sun allergy. The use of sun screen and light colored clothing can help while you are outside in the sun.