Mebendazole and Metronidazole interaction

Mebendazole and Metronidazole: the Mebendazole prescribing label flag this combination with the strongest language, such as a contraindication, a boxed warning, or an instruction to avoid it.

Major

Do not combine without a prescriber's guidance. The label language below is the strongest FDA uses.

What the FDA labels say

From the Mebendazole (VERMOX) label · effective 2021-10-05

Major

Avoid concomitant use of mebendazole and metronidazole ( 5.3 )

Warnings and precautionsnames MetronidazoleView label on DailyMed
Major

Avoid concomitant use of mebendazole and metronidazole.

Warnings and precautionsnames MetronidazoleView label on DailyMed
Major

Concomitant use of mebendazole and metronidazole should be avoided [see Warnings and Precautions (5.3) ] .

Drug interactionsnames MetronidazoleView label on DailyMed
Minor

Metronidazole and Serious Skin Reactions: Stevens-Johnson syndrome/toxic epidermal necrolysis (SJS/TEN) have been reported with the concomitant use of mebendazole and metronidazole.

Warnings and precautionsnames MetronidazoleView label on DailyMed
Minor

Metronidazole Drug Interaction and Serious Skin Reactions Stevens-Johnson syndrome/toxic epidermal necrolysis (SJS/TEN) have been reported with the concomitant use of mebendazole and metronidazole.

Warnings and precautionsnames MetronidazoleView label on DailyMed

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Not medical advice. Interaction Checker quotes FDA label text and NIH fact sheets. Whether an interaction matters for you depends on doses, timing, kidney and liver function, and other conditions. Confirm with a pharmacist or prescriber.