1. A synthetic organic compound formerly used as an analgesic and antipyretic drug to relieve pain and reduce fever.
Usage: pharmaceutical; largely discontinued in many countries due to safety concerns; also known as aminoantipyrine

Examples

• Aminopyrine was widely prescribed in the early 20th century before safer alternatives became available.
• The drug aminopyrine was eventually withdrawn from the market in many countries due to the risk of agranulocytosis.
• Chemists synthesized aminopyrine as an improvement over earlier pain-relief compounds.
• Patients who took aminopyrine reported relief from headaches and fever within hours.