Side effects and interactions for Fareston
The summary of product characteristics (SPC) for Fareston (toremifene; Orion) now states that cases of liver injury, including elevation of liver enzymes, hepatitis and jaundice, have been reported with toremifene. Additionally, the amount of lactose per tablet has been amended from 30mg to 28.5mg. The updated SPC also states that, theoretically, the metabolism of toremifene is inhibited by drugs known to inhibit the CYP3A enzyme system. Examples of such drugs are antifungal imidazoles, other antifungal agents, protease inhibitors and macrolides. Concomitant use of those drugs with toremifene should be carefully considered.
Citation: The Pharmaceutical Journal DOI: 10.1211/PJ.2015.20069314
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