1890s Mercury Rxs

Various hand written antique prescription slips in frames. They're a mix between copies and originals all with dates. All from the 1890s.

Ungh Hydrarg = Chlorine Hydrargyrum (Hg) which is mercury

Mercury is a highly toxic metal. Usually used in topical ointments for skin diseases. Mercury is highly toxic. 

Mercury poisoning mainly damages the nervous system and induces kidney toxicity. Fish and shellfish and some beauty products still have trace amounts of mercury, otherwise, now it it's only used in some industrial equipment.