Itchy red spots on the legs on hot days may be summer dermatitis, prickly heat and other diseases, should be based on different causes to take appropriate measures.
1. Summer dermatitis: a skin disease triggered by high temperature in summer, the lesions on the legs can be manifested as erythema, papules, papules, etc., the patient is self-conscious of intense itching, you can use glycerine lotion to smear the lesions, if the itching is serious, you can take antihistamines, such as levocetirizine hydrochloride.
2. prickly heat: summer high temperature and sultry environment, due to a large amount of sweat is not easy to evaporate, resulting in sweat extravasation of the surrounding tissues caused by the onset of the disease, which can be manifested as pimples, pimples, accompanied by a sense of prickling, usually pay attention to keep the skin localized and dry, the external drugs can be used to choose the prickly heat powder, itching is serious can be taken orally antihistamines such as loratadine.
If there is a long red spot on the leg is very itchy, it is recommended to go to the hospital in a timely manner, after a clear cause of targeted treatment. The above drugs should be used under the guidance of a doctor.