Metamizole

Uncommon card · No. 84078

Metamizole or dipyrone is an analgesic, antispasmodic, and antipyretic drug. It is most commonly given by mouth or by intravenous infusion. It belongs to the ampyrone sulfonate family of medicines and was patented in 1922. Metamizole is marketed under various trade names. It was first used medically in Germany under the brand name Novalgin, later becoming widely known in Slavic nations and India under the brand name Analgin. The sale of metamizole is restricted in some jurisdictions following studies in the 1970s that associated it with severe adverse effects, including agranulocytosis. Metamizole nonethless remains popular in many countries, where it is typically available as an over-the-counter medication. In the United States, metamizole is known colloquially as "Mexican aspirin".

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