How can milk come out without being pregnant?

Symptoms of lactating when you're not pregnant. Galactorrhea's most common symptom is one or both breasts producing excessive milk. The condition is most common in women, but can also happen to men and newborn babies. read more

Lactation occurs with high prolactin levels. Prolactin levels can be elevated with pituitary tumors, some medications and nipple stimulation or damage (such as nipple piercing). In any case, lactation that occurs without pregnancy and without an intent to induce lactation for an adoptive baby, should be investigated by a physician. read more

But he points out that it can take a few months for milk production to stop, even after discontinuing medication. If the cause is a tumor or issues with the pituitary gland, it’s possible you may need surgery. Your doctor will likely do more tests. Dr. Ross says medication can be given to bring down high prolactin numbers. read more