The common causes of nipple itching include excessive nipple friction and eczema, but sometimes lesions such as breast tumors may also cause nipple itching discomfort, and the ointments used for different cases of itching may also vary. 1. excessive friction: local skin without rashes, breaks and other abnormalities, you can choose to use compound chlorhexidine acetate spray topical spray; 2. eczema: due to changes in local metaplasia, papules, erythema, etc. can appear. At this time, glucocorticoids can be applied topically, such as dexamethasone ointment, dextran cream or trimethoprim cream, etc.; 3, nipple itching combined with fungal infection: fungal infection itself can also cause itching symptoms, which need to be treated with antifungal creams, such as topical terbinafine cream or paregoric pine cream, etc.; 4, eczema-like cancer: if eczema-like appearance does not heal for a long time, it is recommended to go to the hospital for consultation to exclude the possibility of eczema-like cancer. If the effect of topical medication is not obvious, it can be combined with oral antihistamines, calcium, vitamin C and other treatments. During itchy nipples, you should eat a light diet and change your underwear regularly to keep your breasts dry and clean. It is recommended to wear loose cotton underwear to avoid excessive friction and to pay attention not to scratch excessively to avoid recurrence or aggravation of symptoms.