Hyperprolactinemia

A disorder where the pituitary gland releases too much of a hormone called prolactin.

Hyperprolactinemia is a condition where there are excess levels of a hormone called prolactin circulating in the body.

Prolactin is released by the pituitary gland to stimulate breast milk production during pregnancy and breastfeeding. Hyperprolactinemia is often caused by a tumor on the pituitary gland called a prolactinoma. Excess levels of prolactin can cause sexual and menstrual dysfunction.

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Both men and women can experience hyperprolactinemia.