Inter-rub rash can be treated with levocetirizine hydrochloride granules and olopatadine hydrochloride tablets for anti-allergic and anti-itch treatment. You can take gentian diarrhea liver soft capsule and cypress capsule orally for the treatment of collecting dampness and astringent sores, and also with compound glycyrrhetinic acid capsule orally for anti-allergy and immune regulation. In terms of topical medication, local wet application of skin health lotion can be applied to achieve the therapeutic effects of collecting dampness, astringent sores, relieving itching and drying dampness. In case of combined fungal infections, topical naftifine ketoconazole ointment and luliconazole ointment can be applied. If the infection is combined with bacterial infection, purulent exudate and pustular crust, you can take oral rosmarinic acid capsule and apply topical compound polymyxin B ointment.