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.
Dr. McDonald advocates the treatment of small-pox, both internally and externally, by this acid. He uses a lotion containing 3 ss. ad 3 x. liq., and finds it considerably relieve the cutaneous itching and irritation.
 
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