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.
- fluconazole + methadone major
- Fluconazole + Metronidazole moderate
- Fluconazole + Moxifloxacin major
- fluconazole + phenytoin major
- fluconazole + prednisolone moderate
- fluconazole + rosuvastatin moderate
- fluconazole + warfarin major
- fluoxetine + ibuprofen major
- Fluoxetine + Olanzapine moderate
- Fluoxetine + Ondansetron moderate
- Fluoxetine + Oxcarbazepine moderate
- fluoxetine + pimozide contraindicated
- fluoxetine + tramadol major
- Fluoxetine + Zolmitriptan moderate
- fluvoxamine + melatonin major
- fluvoxamine + metformin moderate
- Fluvoxamine + Methylphenidate moderate
- fluvoxamine + sertraline major
- fluvoxamine + theophylline major
- fluvoxamine + tizanidine contraindicated
- Fluvoxamine + Valproic acid moderate
- Folic Acid + Methotrexate moderate
- furosemide + gentamicin major
- Furosemide + Glimepiride moderate
- furosemide + insulin moderate
- furosemide + lansoprazole moderate
- furosemide + lisinopril moderate
- furosemide + metformin moderate
- furosemide + methyldopa moderate
- furosemide + probenecid moderate
- furosemide + spironolactone moderate
- Furosemide + Vancomycin moderate
- Gabapentin + Mirogabalin moderate
- Gabapentin + Pregabalin moderate
- gemfibrozil + simvastatin major
- gentamicin + vancomycin major
- gliclazide + levofloxacin moderate
- Gliclazide + Mirtazapine moderate
- Gliclazide + Nebivolol moderate
- Gliclazide + Sertraline moderate
- Gliclazide + Warfarin moderate
- Glimepiride + Metformin moderate
- Glimepiride + Metronidazole moderate
- Glimepiride + Vildagliptin moderate
- haloperidol + methadone major
- heparin + warfarin major
- hydrochlorothiazide + lithium major
- hydrocortisone + warfarin moderate
- hydroxychloroquine + levofloxacin major
- hydroxychloroquine + loperamide moderate
- ibuprofen + insulin moderate
- Ibuprofen + Ketorolac contraindicated
- ibuprofen + lithium major
- ibuprofen + methotrexate major
- Ibuprofen + Vasopressin moderate
- ibuprofen + warfarin major
- imipramine + pantoprazole moderate
- Iron + Zinc moderate
- isavuconazole + sirolimus major
- isosorbide mononitrate + metoprolol moderate
- isosorbide mononitrate + sildenafil contraindicated
- isosorbide mononitrate + tadalafil contraindicated
- Isotretinoin + Piroxicam moderate
- isotretinoin + tetracycline major
- Isotretinoin + Tizanidine moderate
- itraconazole + lovastatin contraindicated
- itraconazole + rifampin contraindicated
- itraconazole + simvastatin contraindicated
- ivabradine + verapamil major
- ketoconazole + lomitapide contraindicated
- ketoconazole + lurasidone contraindicated
- ketoconazole + macitentan major
- ketoconazole + oxycodone major
- ketoconazole + pantoprazole major
- ketoconazole + pimozide contraindicated
- ketoconazole + quetiapine major
- ketoconazole + ranolazine contraindicated
- ketoconazole + rifampin major
- ketoconazole + rivaroxaban contraindicated
- ketoconazole + terfenadine contraindicated
- ketoconazole + ticagrelor contraindicated
- ketoconazole + warfarin major
- Lamotrigine + Methylphenidate moderate
- Lamotrigine + Olanzapine moderate
- lamotrigine + valproate major
- Lamotrigine + Valproic acid major
- Levocetirizine + Promethazine moderate
- levodopa + phenelzine (nonselective maoi) major
- levofloxacin + loperamide moderate
- levofloxacin + ondansetron major
- levofloxacin + warfarin moderate
- Levothyroxine + Methylphenidate moderate
- levothyroxine + multivitamin with minerals moderate
- levothyroxine + pantoprazole moderate
- Linaclotide + Lubiprostone moderate
- Linaclotide + Mosapride moderate
- linezolid + meperidine major
- linezolid + sertraline major
- linezolid + tyramine-containing drugs (e.g., selegiline) major
- lisinopril + lithium major
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