Black lumps around the nipple are so itchy may be caused by traumatic scabs, secretion buildup, nipple inflammation and so on. 1. Traumatic scabs: patients in the process of bathing, exercise, etc. inadvertently rubbed or abraded around the nipple, resulting in skin damage. Scabs will appear in the process of wound healing, and the scabs may also irritate the normal skin, resulting in black lumps around the patient’s nipples and itching. 2. Secretion accumulation: late pregnancy and other women in the hormone secretion period, due to increased secretion of progesterone, sebaceous gland secretion in the nipple area increases causing sebaceous gland secretion in the nipple accumulation and the formation of scabs, which may also lead to the patient’s nipple around the black itchy. 3. Nipple inflammation: underwear allergies or interchangeable clothing may also lead to bacterial invasion of the nipple area, resulting in skin ulcers or nipple inflammation and other diseases, often manifested as scabs and itching. When you find black lumps around the nipple itchy, it is recommended that you go to the hospital to find the cause of the disease and actively treat it with the help of your doctor.