Nipple discharge can be seen in many benign and malignant diseases of the breast and some systemic diseases. Generally speaking, nipple discharge that occurs after three months of weaning should be taken seriously! This is because it may be a sign of certain diseases. Nipple discharge has many different properties: watery, milk-like, yellowish, dark brown, plasma, plasma blood, blood, etc. Nipple discharge can be from a single breast or from both breasts; it can be automatic or appear only after squeezing. If there is a single breast, single duct nipple overflow should be taken seriously! Especially bloody overflow from a single breast or a single duct!!! Because this symptom is often one of the symptoms of breast cancer!!! If you find that you have nipple overflow, it is recommended that you should go to a specialist hospital for examination and diagnosis to avoid delaying the treatment.