Itchy symptoms appear after the calf is exposed to the sun, may be due to sun rash, solar dermatitis and other reasons, can be controlled by medication, daily life need to pay attention to sun protection.
1. Sun rash: a delayed hypersensitivity reaction induced by sunlight. It is characterized by localized itching, rash and other discomforts. For mild symptoms of itching without skin damage, you can use local glycerine lotion and other drugs to apply, if the redness, swelling and itching symptoms are serious, you can use dexamethasone ointment and other glucocorticosteroid drugs for local intervention. On the basis of drug treatment, you also need to pay attention to physical sunscreen.
2. Solar dermatitis: due to direct stimulation of the skin by sunlight, can cause local redness, swelling, pain and other manifestations, generally can be used externally with glycerine lotion or glucocorticosteroids, such as mometasone furoate cream, severe cases can be used as a wet compress of 3% boric acid solution. Systemic symptoms can be oral antihistamines such as loratadine, vitamin C, serious cases can be systematic application of glucocorticoids.
Itchy skin after sunlight exposure, it is recommended to go to the hospital; the above drugs need to be used under the guidance of clinicians.