Drug Interactions Directory

198 drugs starting with M.

2,618Drugs
67,117Interactions
53,805Serious (major+)
PharmacistReviewed
1Look up a drugSearch by generic or brand name, or browse A-Z.
2Scan the severityInteractions are grouped and color-coded by how much they matter.
3Read the write-upPlain-English and clinical explanations, with cited evidence.

Sources: FDA prescribing information (Structured Product Labeling), the published literature cited in each entry, DDInter 2.0 (a major open-access drug-interaction database), and legacy DrugBank interaction data distributed by the NIH's RxNav service (decommissioned in 2024) — analyzed and reviewed by our pharmacist team. How we build this library →

M
Ma Huang 69 Macimorelin 108 Macitentan 58 Mafenide 2 Magaldrate 55 Magnesium 22 Magnesium Carbonate 53 Magnesium Hydroxide 53 Magnesium Oxide 51 Magnesium Oxybate 25 Magnesium Peroxide 16 Magnesium Salicylate 18 Magnesium Sulfate 25 Magnesium Trisilicate 52 Magnolia 4 Manidipine 8 Mannitol 4 Maprotiline 22 Maralixibat 4 Maraviroc 94 Margetuximab 4 Margetuximab-Cmkb Injection 24 Maribavir 28 Mate 2 Mavacamten 146 Mavorixafor 115 Mazindol 2 Meadowsweet 37 Measles Virus Vaccine, Live 204 Mebendazole 4 Mebeverine 1 Mebhydrolin 1 Mecamylamine 1 Mechlorethamine Topical 16 Meclizine 29 Meclocycline 17 Meclofenamate 290 Medazepam 7 Medroxyprogesterone 108 Medroxyprogesterone Injection 103 Medrysone 5 Mefenamic Acid 309 Mefloquine 256 Megestrol 2 Melatonin 23 Melitracen 47 Meloxicam 347 Meloxicam Injection 306 Melperone 21 Melphalan 156 Melphalan Flufenamide Injection 15 Melphalan Injection 140 Memantine 24 Meningococcal Vaccine 11 Mepartricin 1 Mepenzolate 12 Meperidine 66 Mephenesin 4 Mephenytoin 2 Mephobarbital 31 Mepindolol 8 Mepivacaine 1 Meprobamate 21 Meptazinol 21 Mercaptopurine 218 Meropenem 31 Meropenem Injection 27 Mesalamine 115 Mesalamine Rectal 102 Mesoridazine 87 Mesterolone 1 Mestranol 48 Metaclazepam 7 Metaproterenol 4 Metaxalone 30 Metergoline 7 Metformin 378 Methacholine 26 Methacycline 19 Methadone 129 Methamphetamine 28 Methamphetamine Hydrochloride 1 Methandriol 1 Methandrostenolone 1 Methantheline 1 Methazolamide 10 Methdilazine 22 Methenamine 2 Methenolone 1 Methicillin 15 Methimazole 45 Methixene 1 Methocarbamol 25 Methohexital 27 Methotrexate 420 Methotrexate Injection 354 Methotrimeprazine 59 Methoxsalen 1 Methoxyflurane 11 Methoxyphenamine 1 Methsuximide 12 Methyclothiazide 51 Methyldopa 53 Methylene Blue 45 Methylergonovine 226 Methylnaltrexone 5 Methylnaltrexone Injection 4 Methylphenidate 71 Methylphenidate Transdermal Patch 67 Methylprednisolone 58 Methyltestosterone 4 Methysergide 8 Metildigoxin 12 Metipranolol 58 Metoclopramide 35 Metoclopramide Injection 247 Metoclopramide Nasal Spray 247 Metocurine 16 Metolazone 72 Metopimazine 4