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 the diarrhoea of enteric fever, H. Kennedy, Murchison, and other authorities advocate the use of sulphuric acid (v. p. 197). We do not expect from it, as formerly, a power of shortening the morbid process; but it will allay thirst, and, to some extent, moderate the pyrexia and the undue secretion. In any enteric cases, the dose used should be small and well diluted: the aromatic, I find preferable to the simple form.
 
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