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Important: This site presents data from the FDA Adverse Event Reporting System (FAERS). A report does not mean the drug caused the event. Full disclaimer.

FOMEPIZOLE Drug Interactions: What You Need to Know

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Drug Interactions (FDA Label)

Drug Interactions Drug Interactions Oral doses of fomepizole (10-20 mg/kg), via alcohol dehydrogenase inhibition, significantly reduced the rate of elimination of ethanol (by approximately 40%) given to healthy volunteers in moderate doses. Similarly, ethanol decreased the rate of elimination of fomepizole (by approximately 50%) by the same mechanism. Reciprocal interactions may occur with concomitant use of fomepizole and drugs that increase or inhibit the cytochrome P450 system (e.g., phenytoin, carbamazepine, cimetidine, ketoconazole), though this has not been studied.

Contraindications

CONTRAINDICATIONS Fomepizole injection should not be administered to patients with a documented serious hypersensitivity reaction to fomepizole injection or other pyrazoles.

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