Children with itchy pimples may be caused by chickenpox, eczema, etc., and need to be treated with medications such as acyclovir and cetirizine depending on the situation. 1. If the symptoms are caused by chickenpox, you can use acyclovir and other drugs for antiviral treatment, and glycerine lotion to relieve itching. At the same time, children should be isolated and their clothing should be sterilized. 2. If the itchy symptoms are caused by eczema, you can use some cetirizine, loratadine and other drugs antihistamine treatment, external glucocorticoid cream such as fluticasone propionate, calcium-modulated phosphatase inhibitor such as tacrolimus ointment to relieve itching and inflammation. It is recommended to consult a doctor in time, identify the cause of the disease and use medication under the guidance of the doctor.