Galactorrhea is a condition manifested through spontaneous unsuitable pr excessive production of milk. It can occur during pregnancy or when breastfeeding stopped, but it can also be a symptom of an excessive rubbing of the nipples, infection, inflammation, breast trauma, hypothyroidism, cancer or after the administration of some herbs, such as anise or fennel, or certain medications. Even children can experience galactorrhea. In such case it is, generally, a temporary problem associated to the hormones that should resolve within a couple of weeks.

What kind of diseases can be associated with galactorrhea?
The diseases that may be associated with galactorrhea are the following:
    •    Acromegaly
    •    Breast cancer
    •    Kidney failure
    •    Hypothyroidism
    •    Intraductal papilloma
    •    Fibrocystic breast
    •    PCOS
    •    Syndrome Paget
Remember that this is not an exhaustive list and it is highly recommended to consult your doctor, in case of symptom’s persistence. 
What is the therapy for galactorrhea?
The best therapy depends on the underlying cause for galactorrhea. For example, you may need to change your intake of certain drugs, use creams for topical use or take medicines. In some cases it is necessary to intervene surgically. There are cases in which there is no need of any treatment, thereby the situation should simply be monitored through regular check-ups.
When is most likely to contact your doctor in case of galactorrhea?
It is best to turn to a doctor as soon as possible. In general the situation is particularly worrying if the liquid from the nipple is mixed with blood or has a strange colour and is occurring on one of the nipples.