At the height of summer, the most logical to talk about dosadnataalergiya the sun, or so. fotodermit. This is a disease determined by increased skin sensitivity to sunlight. Allergy to the sun occurs in the form of blisters, redness, itching and flaking of the skin after exposure to the sun.
In general rashes occur on the face and body rarely. And even more rare - on the hands and feet. Sun allergy / fotodermitat / often develops during the summer vacation with a very strong and active sun. Toxicity or allergenicity of the sun occurs in the interaction of sunlight and certain substances found on the skin or inside the skin.
Sun allergy may also occur if, before the sun came out, susceptible person is smeared with a cream or ointment or is sprayed with perfume. Active ingredients in various cosmetics, may intervene in response to ultraviolet rays of the sun and cause an allergic reaction. In some sunscreen for better sun tan contains specific acid that can provoke such a reaction, as well as in lipsticks. Among other action and render the polyester fatty acids, St. John's wort, rose, dill, parsley, phenol, mercury preparations. So much care must be taken when choosing cosmetics when preparing for summer vacation.
Sometimes the sun allergy is associated with a chronic disease, especially liver or adrenal glands. Often suffer from other fotodermatits people with light skin and small children. Many drugs also contribute to the occurrence of allergy to the sun. These are mostly sulphanilamide, barbiturates, some antibiotics, some drugs against cardiovascular disease, aspirin ..
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