Discharge from the nipples is the appearance of discharge from one or both mammary glands. The symptom may be accompanied by pain and discomfort in the chest, redness of the skin over the mammary gland, changes in the areola. The expiration of the secret is observed in inflammatory processes of the mammary glands, benign and malignant tumors, pathologies of the endocrine system. To find out the reasons, ultrasound, mammography, laboratory tests are performed. To alleviate the condition, analgesics can be prescribed, other drugs are used after verification of the diagnosis.