Pabst's Okay (O.K.) Specific

Pabst's Okay (O.K.) Specific is an early twentieth century patent medicine that was marketed as a cure for gonorrhea, sold by Pabst Chemical Co. of Chicago. The product has the dubious distinction of having been cited for misbranding no less than twenty-three times by the Food and Drug Administration in 1918-19.

Composition
An FDA analysis made in 1931 of Pabst's O.K. Specific found it "consisted essentially of cubeb oil, copaiba oleoresin, buchu extract, sugar, alcohol, and water."