Chaste Berry Fruit (Vitex agnus-castus) is used for menstrual irregularities including dysmenorrhea, secondary amenorrhea, metrorrhagia, oligomenorrhea, and polymenorrhea. Vitex agnus-castus is also used for symptoms of menopause, for symptoms of premenstrual syndrome (PMS) including cyclical mastalgia, luteal-phase dysfunction (corpus luteum insufficiency), and other symptoms. It is also used orally for treating female infertility, preventing miscarriage in patients with progesterone insufficiency, controlling postpartum bleeding, aiding in expulsion of the placenta, increasing lactation, and treating fibrocystic breasts. It is used for promoting urination, treating benign prostatic hyperplasia (BPH), and reducing sexual desire. Vitex agnus-castus is also used for acne, nervousness, dementia, rheumatic conditions, colds, dyspepsia, spleen disorders, headaches, migraine, eye pain, insomnia, body inflammation, and swelling.