Dr James's Fever Powder
Dr James’s Fever PowderA medicine first patented in 1746, which was widely used from the mid-18th to the mid-20th centuries by the likes of George III, Oliver Goldsmith and Horace Walpole, who claimed the powder could cure most complaints that are not mortal or chronic. The powder consisted primarily of arsenic and calcium phosphate; it was never proven effective for treating any particular disorder.
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