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Definition 2024

kestin ‎(uncountable)

(medicine, historical) An antiseptic, antipruritic, and analgesic agent comprising trinitrophenol combined with resorcinol, ammonium chloride, orthoboric acid, and formaldehyde.
- 1899, St. Louis Medical and Surgical Journal (volumes 76-77, page 306)
  I ordered an injection of equal parts of kestin and water to be taken four times daily for two days. This was then made in the strength of one to three, then one to four and finally one to six. In two weeks the trouble was well.