The following conditions can be considered: 1. Herpes simplex: small blisters can appear in clusters around the mouth, with painful blisters of corn to soy size. 2. It is a very good idea to take oral olanzapine hydrochloride tablets, fexofenadine hydrochloride tablets, and apply pimecrolimus ointment after wet application of dermatological lotion. 3. ringworm: topical fusidic acid ointment or mupirocin ointment can be applied.