An analgesic and antipyretic that has been given by mouth and as ear drops. Antipyrine is often used in testing the effects of other drugs or diseases on drug-metabolizing enzymes in the liver. (From Martindale, The Extra Pharmacopoeia, 30th ed, p29)

Synonyms: 0, Anodynin, Pyramidone, T3CHA1B51H, Antipyrine, 3H-Pyrazol-3-one, 1,2-dihydro-1,5-dimethyl-2-phenyl-, Phenazone