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| Formula | C22H29N2O+ |
| Molar mass | 337.487 g·mol−1 |
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Fenpiverinium is an anticholinergic and antispasmodic compound; [1] it is marketed as a combination drug with pitofenone hydrochloride and either nimesulide or metamizole in Eastern Europe and India to treat smooth muscle spasms and pain. [2]
The combination with metamizole was removed from the market in Lithuania for safety reasons in 2000 [3] and a boxed warning against use by children and adolescents was added in Serbia in 2005. [4] In 2016 India banned marketing of the combination with nimesulide along with 344 other combination drugs; [5] [6] the order was overturned in December and appealed by the Government in January 2017. [7]