A. B. Whitney, Asiatic Cholera: A treatise on its origin…
“ The loss of life becomes imminent; treatment becomes indispensable; send at once for your physician. And, in the meantime, continue the camphor mixture, the horsemint tea, and give of the fluid extract of rhubarb and potassa, prepared according to the formula in the American Dispensatory, one or two tea-spoonfuls every hour, and, if necessary, add four or five drops of laudanum, or its equivalent in paregoric, to each dose, till relieved. In this early stage, opium in small doses may be given four or five times, but should not be continued. ”
