MediHelp
Drug interactions A–Z
Known drug-drug interactions with severity, mechanism and clinical management.
For healthcare professionals — reference only. This page is a brief summary, not medical advice and not a substitute for official labeling or clinical judgement. Always verify before prescribing or dispensing.
- mebendazole + metronidazole major
- meperidine + phenelzine contraindicated
- meperidine + tranylcypromine contraindicated
- metformin + proton pump inhibitor (class) moderate
- Metformin + Sulpiride moderate
- methadone + ondansetron major
- methotrexate (high-dose) + proton pump inhibitors (e.g., omeprazole) major
- Methotrexate + Nitrofurantoin moderate
- methotrexate + trimethoprim-sulfamethoxazole major
- Methylphenidate + Valproic acid moderate
- methylprednisolone + terbutaline moderate
- metoprolol + verapamil major
- metronidazole + warfarin major
- Mirogabalin + Pregabalin moderate
- Mirtazapine + Nebivolol moderate
- Mirtazapine + Sertraline moderate
- moclobemide + triptans (e.g., sumatriptan) major
- Modafinil + Sertraline moderate
- Mosapride + Prucalopride moderate
- moxifloxacin + sotalol major
- moxifloxacin + ziprasidone major
Full monographs, dosing and an interaction checker in the MediHelp app
Open the complete reference, check multi-drug interactions and use dosing tools in the MediHelp app.