Black Cohosh is a most valuable herb that comes to us via the North American Indians. It has a most powerful action as a relaxant and a normaliser of the female reproductive system. It may be used beneficially in cases of painful or delayed menstruation. Ovarian cramps or cramping pain in the womb will be relieved by Black Cohosh. It has a normalising action on the balance of female sex hormones and may safely be used to regain normal hormonal activity. It is very active in the treatment of rheumatic pains, but also in rheumatoid arthritis, osteo-arthritis, in muscular and neurological pain. It finds use in sciatica and neuralgia. As a relaxing nervine it may be used in many situations where such an agent is needed. It will be useful in labour to aid uterine activity whilst allaying nervousness. Black Cohosh will reduce spasm and so aid in the treatmnent of pulmonary complaints such as whooping cough. It has been found beneficial in cases of tinnitus. The New Holistic Herbal, by David Hoffmann Pg. 181