available over the counter: no

uses: treatment of hyperprolactinemia (elevated production of prolactin), which may be associated with a prolactinoma (tumor in the pituitary gland), and may cause leakage of breast milk in men and women, infertility, loss of menstrual periods in women, and testicular shrinkage and impotence in men

mechanism of action: blocks the pituitary gland from releasing the hormone prolactin

side effects
• common: dizziness, weakness, fainting from low blood pressure, nasal congestion
• less common: dizziness, fatigue, nervousness, depression, ringing in the ears, dry mouth, hair loss, anemia, impotence
• serious: seizures, chest pain, nausea, vomiting, headache, blurred vision

concerns: avoid driving or operating heavy machinery; prolonged use may cause uncontrolled movements of the face, mouth, tongue, arms, legs