What is the condition of itching red lumps on the body

Itching on the body with red pimples, consider the following diseases: 1. Erythema multiforme, mainly caused by allergy, infection and other factors. In treatment, levocetirizine hydrochloride capsules can be taken orally, and desonide ointment can be applied externally. 2. It is considered that the possibility of concentric annular erythema is relatively large, which is mainly caused by allergy or infection, or immune disorder. Compound glycyrrhizin capsules can be taken orally and desonide ointment can be applied twice a day for treatment. 3. Urticaria is considered. It is mainly caused by infection or allergy or internal disease, or mental factors. Avastin capsules can be taken orally and calamine lotion can be applied externally for treatment.