A pyrazolone with analgesic, anti-inflammatory, and antipyretic properties but has risk of AGRANULOCYTOSIS. A breath test with 13C-labeled aminopyrine has been used as a non-invasive measure of CYTOCHROME P-450 metabolic activity in LIVER FUNCTION TESTS.

Synonyms: Dimethyl-N-aminoantipyrine, Dimethylaminophenazone, Dipyrine, 3H-Pyrazol-3-one, 4-(dimethylamino)-1,2-dihydro-1,5-dimethyl-2-phenyl-, Amidazophen, Amidophen, Eufibron, Aminopyrine, 0, Amidopyrine, Dimethyl N aminoantipyrine, Amidophenazon, 01704YP3MO, Aminophenazone, Dimethylaminoantipyrine, Aminofenazone