Black cohosh is most commonly used for menopausal symptoms, including hot flashes (also called hot flushes) and night sweats (together known as vasomotor symptoms), vaginal dryness, heart palpitations, tinnitus, vertigo, sleep disturbances, nervousness, and irritability. Also clears out negativity people and get rid of unwanted visitors. Black Cohosh is commonly used in magic for banishing spells.