Itchy nipples should be medicated according to the cause. Allergic causes, you can use topical glycerin lotion, hydrocortisone ointment, etc.; fungal infections, you can use topical clotrimazole ointment, terbinafine ointment, etc.; early symptoms of herpes, you can use topical glycerin lotion acyclovir ointment and so on. 1. Allergic causes: such as contact dermatitis, urticaria, eczema, insect bite dermatitis, drug rash and other factors, can be used externally with glycerine lotion, hydrocortisone ointment, compound dexamethasone ointment and other drugs. 2. Fungal infections: Fungal infections cause tinea corporis, lichen planus and other diseases of the nipple skin and mucous membrane, which can also lead to nipple itching. You can use topical clotrimazole ointment, ketoconazole lotion, terbinafine ointment and other antifungal drug treatment. 3. Herpes: viral infections caused by herpes, early also cause itchy rash caused by itchy nipples, you can apply glycerine lotion to relieve itching, but also with acyclovir ointment and other antiviral drugs. There may be other reasons for itchy nipples, so you need to go to the hospital for further examination and treatment as prescribed by your doctor. If you need to use medication, you should use it under the guidance of your doctor.