The causes of itchy breasts are roughly the following: 1, breast eczema, eczema has more triggers, such as dry skin, bathing time is too long, excessive cleaning, underwear stimulation, etc. can cause eczema, eczema will cause itchy skin after the formation of eczema. If the diagnosis of eczema caused by breast inflammation, to avoid allergens, take local measures, you can use hormone drugs to relieve the symptoms of itching, do a good job of local skin moisturizing, and less use of irritating shower gel or soap. 2, in the puberty of women, due to the increase in the body of estrogen will cause breast fever, can also cause localized itching of the breasts, which is physiological, do not need to worry about too much. 3, before and after menstruation, the breasts will appear. 4, before and after menstrual period, the breasts will appear to the breasts, the breasts will be very hot. The breasts will show a series of changes before and after the menstrual period, which has the problem of itchy breasts. Because of the hormonal changes that occur in the body before and after menstruation, according to the theory of Chinese medicine, the chest and breasts will appear the phenomenon of qi stagnation and blood stasis, which will cause itching of the breasts. At this time, as long as you drink more water, pay more attention to rest, generally can be effectively relieved. 4, itchy breast and breast malignant tumors related to a malignant tumor called Paget’s disease, is a very rare breast cancer, its symptoms are manifested in the nipple and areola parts of the itchy and burning, itchy part of the skin can be a hard skin of the tissue, medication is not effective. Therefore, if you have itchy nipples or breasts, you’d better go to regular hospitals to have relevant examinations, and have corresponding treatments according to the causes of the examinations.