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.
Among the rarer uses of zinc salts may be mentioned that of the cyanide in articular rheumatism; it was strongly commended by Luton, as relieving pain and lowering vascular excitement (Bulletin, January, 1875). Other observers find it also of some, but not definite, value; it is apt to cause headache (Medical Record, i., 1877).
 
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