Metamizole (Dipyrone) and the Liver: A Review of the Literature.
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Lutz M
Metamizole (Dipyrone) and the Liver: A Review of the Literature.
J Clin Pharmacol. 2019 Nov;59(11):1433-1442. doi: 10.1002/jcph.1512. Epub 2019 Aug 21.
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- 31433499 [ View in PubMed]
- Abstract
Metamizole, also known as dipyrone, was introduced to the market nearly a century ago. Due to its excellent analgesic, antipyretic, and spasmolytic properties combined with its mostly favorable gastrointestinal tolerability, the drug was extensively applied worldwide during the first decades after its market introduction. Although rare, agranulocytosis is a well-known adverse event of metamizole and led to its withdrawal from the market in a number of countries beginning in the 1960s. Nevertheless, metamizole is still a frequently used drug worldwide either legally (by prescription in some countries, over the counter in other countries) or without official approval (especially by immigrants knowing the drug from their home countries) or even illegally (due to its growing application as an adulterant in illicit drugs). Metamizole undergoes extensive metabolism in the liver and cases of potential metamizole-associated hepatotoxicity have been described. Here, the literature is extensively reviewed for the first time regarding hepatic effects associated with the use of metamizole.
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