Tinctura Toxicodendri.—Tincture of Poison Oak.

Related entry: Rhus Toxicodendron (U. S. P.)—Rhus Toxicodendron

SYNONYM: Tincture of Rhus Toxicodendron.

Preparation.—Take of fresh leaves of poison oak, 4 ounces; alcohol, 3 fluid ounces. Macerate for 14 days; express and filter under cover.

Action, Medical Uses, and Dosage.—This tincture may be used for all the purposes for which the poison oak is given, in the dose of from a fraction of a drop to 5 drops, in water. It should be kept in vials, well stoppered, as its active principle becomes dissipated on exposure.

King's American Dispensatory, 1898, was written by Harvey Wickes Felter, M.D., and John Uri Lloyd, Phr. M., Ph. D.