Itchy skin in summer sweating a scratch on the rash may be cholinergic urticaria, contact dermatitis or eczema and other pathologic factors, generally for drug treatment.
1. Cholinergic urticaria: summer body heat leads to acetylcholine action on mast cells, causing skin rash, accompanied by itching. Generally routine antihistamine treatment, such as loratadine.
2. Contact dermatitis: contact with allergens produces an immune response that causes skin rashes. It is usually treated with medication, such as oral loratadine and calcium gluconate injection.
3. Eczema: Eczema can be itchy skin and erythema, usually through drug treatment, such as topical trimethoprim or hydrocortisone, etc., itching obvious people can take oral cetirizine, loratadine antihistamine drugs.
Summer sweating skin itchy rash when scratching may also be the cause of skin scratching disease. If the symptoms are serious and can not be relieved, you need to go to the hospital in time, under the guidance of the doctor for treatment, not self-medication, so as not to delay the condition.