Prolactin is a hormone, released from the pituitary gland, that stimulates
Mild elevations of prolactin can follow a breast exam, because breast
stimulation provokes increased release of prolactin.
High levels of prolactin are frequently due to a pituitary tumor (microadenoma
or macroadenoma) and are often associated with amenorrhea and glactorrhea.
Elevations of Prolactin may be seen in:
- Pituitary malfunction
- Renal failure
- Nipple stimulation
- Drugs (estrogen, tricyclic antidepressents, antihypertensives, etc.)
*These are general values taken from a variety of
sources. The actual normal values may vary from lab to lab and from one
type of testing protocol to another.