It is primarily used to treat hyperprolactinemia, a condition characterized by elevated levels of the hormone prolactin. This condition can lead to symptoms such as irregular menstrual periods, infertility, and milk production in women who are not breastfeeding, and decreased libido and erectile dysfunction in men. Cabergoline, a dopamine receptor agonist, works by reducing prolactin secretion from the pituitary gland. It is also sometimes used in the management of Parkinson's disease and to inhibit lactation for medical reasons. As a potent medication, it should be taken under strict medical guidance to monitor for potential side effects, including dizziness, nausea, and possible cardiovascular effects.