Curing conjunctivitis with frogspawn

Thomas Sydenham (1624–1689) was one of the most celebrated English physicians of the seventeenth century.  His Observationes Medicae (Medical Observations, 1676) contains a chapter which – perhaps optimistically – is entitled ‘Complete Methods of Curing Most Diseases’.  This is his remedy for conjunctivitis: Take ten ounces of blood from the arm, and next day exhibit … Continue reading Curing conjunctivitis with frogspawn