This section is from the book "Materia Medica And Therapeutics Inorganic Substances", by Charles D. F. Phillips. Also available from Amazon: Materia medica and therapeutics.
In difficult labor connected with rigidity of the muscular structure of the cervix uteri and perineum, relief may also be given by the same means. Dr. Kennedy, of Dublin, strongly recommended this treatment, and Dr. Gilmour (Liverpool) quoted a large experience in its favor; he claimed for it also, not only an immediate favorable effect, but a good influence on the after-progress of the case, finding marked freedom from subsequent inflammations, etc., where it had been used (Lancet, ii., 1852): practically, however, chloroform has superseded it.
For Intestinal Colic, tartar emetic has sometimes been given successfully by enema. In a case dependent upon obstruction, 3 gr. dissolved in 8 oz. of water were injected per rectum, and, after some hours, the obstruction yielded and the colic subsided, without additional nausea or prostration (Lancet, i., 1856, p. 96).