Wat do it mean wen u have a milky discharge?

Vagina or Breast?: Vaginal can be anything from normal discharge, infection, drug effect, pregnancy, etc. Milky breast discharge can be normal if history of prior breast feeding. It can also be pathological from a local issue at the breast, tumor. It can be from hormonal issues such as thyroid, prolactin, etc. Even a small brain tumor in the pituitary gland can cause this. It is very important that you see a PCP.