Castor oil is such a common and well-known remedy that it would seem that but little could be written with regard to its employment in medicine. Everyone is thoroughly acquainted with its characters, dosage and use, and even the laity appreciate its value and employ it freely without medical advice. But, as far as I can learn, its use is confined to the administration of single doses, now and again, as necessity demands to remove offending contents of the gastro-intestinal tract; with the single exception, perhaps, of the well-known mode of its employment in emulsion, in frequent doses, for the relief of diarrhœa and dysentery.
In the present communication, however, I wish to call attention to the value of castor oil in certain cases, in which frequent and repeated doses of some size, and continued even for a considerable period, will produce effects difficult to obtain by other means. I
BULKLEY LD. ON REPEATED DOSES OF CASTOR OIL, ESPECIALLY IN CERTAIN SKIN DISEASES IN CHILDREN.1. JAMA. 1885;V(4):96-99. doi:10.1001/jama.1885.04470020012002