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 ordinary coryza, especially when there is much sneezing, I have often found small doses of gray powder cure more quickly than any other remedy. Catarrh affecting the Eustachian tube is also well treated in the same manner.
 
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