Red rash treatment should be decided according to the specific disease, including the following: 1, drug dermatitis: this disease is mostly due to allergic reactions caused by contact with drugs, in clinical treatment can be oral diclofenac loratadine capsule as well as diclofenac loratadine dry suspension, with the compound glycyrrhizin capsule, the condition is serious can be changed to static injection of compound glycyrrhizin injection, the local can be coated glycyrrhizin lotion. If there is erosion, oozing and other conditions occur can be applied externally skin Kang lotion or compound cypress liquid coating for treatment; 2, rubella: can appear after the fever red rash, in the treatment can be taken orally Banlangen granules, antiviral treatment.