Aminopyrine

**Definition:** 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.

**Tree numbers:** - D03.383.129.539.850.077

**Synonyms:** - Amidophen - Amidopyrine - Aminophenazone - Dimethyl-N-aminoantipyrine - Dimethylaminoantipyrine - Dimethylaminophenazone - Dipyrine - Amidophenazon - Amidazophen - Aminofenazone