Scabies has been a well known disease for many years. As far back as the twelfth century, the Arabian author, Avenzoar, remarked that the "itch" was caused by a small animalcule, but seven centuries elapsed before its cause was actually demonstrated.
About the middle of the sixteenth century, an English physician, Thomas Monfet, again called attention to a small animalcule as the cause of scabies. In 1685, Bonomi, in collaboration with Cestoni, reported the finding of the acarus in the vesicles, calling it Sarcoptes scabiei, and drew attention to an antiparasitic treatment with sulphur, vitriol, etc., both by baths and by ointments. The treatment continued to be the same, but the causative agent was apparently forgotten—no mention of it was again made until 1812—and even doubted by some illustrious dermatologists, such as Allibert and Biett. About this time, Gales, a pharmacist at the St. Louis Hospital in Paris, reported positive
de MELLO L. TREATMENT OF SCABIES WITH THE COMPOUND SOLUTION OF CRESOL. Arch Derm Syphilol. 1931;23(5):863–865. doi:10.1001/archderm.1931.03880230037003
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