Warfarin Interactions
Showing entire list of all interactions, including brand names and combination drugs.
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Medications known to interact with warfarin
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- N Ice with Vitamin C (ascorbic acid)
- nabumetone
- nafcillin
- Nalfon (fenoprofen)
- nalidixic acid
- Nallpen (nafcillin)
- Nalocet (acetaminophen / oxycodone)
- nandrolone
- NanoVM 1-3 years (multivitamin with minerals)
- NanoVM 4-8 years (multivitamin with minerals)
- NanoVM 9-18 years (multivitamin with minerals)
- NanoVM Adult (multivitamin with minerals)
- NanoVM Senior 71+ (multivitamin with minerals)
- NanoVM t/f (multivitamin with minerals)
- Naprelan (naproxen)
- Naprosyn (naproxen)
- naproxen
- Naproxen Sodium DS (naproxen)
- naproxen / pseudoephedrine
- naproxen / sumatriptan
- Naqua (trichlormethiazide)
- Narvox (acetaminophen / oxycodone)
- Nat-Rul B-125 (multivitamin)
- Nata 29 OB (multivitamin, prenatal)
- Nata 29 Prenatal (multivitamin, prenatal)
- Nata Komplete (multivitamin, prenatal)
- Natacaps (multivitamin, prenatal)
- Natachew (multivitamin, prenatal)
- Natafolic-OB (multivitamin, prenatal)
- Natafolic-PN (multivitamin, prenatal)
- Natafort (multivitamin, prenatal)
- NatalCare (multivitamin, prenatal)
- NatalCare Advanced (multivitamin, prenatal)
- NatalCare Advanced-RF (multivitamin, prenatal)
- NatalCare CFE 60 (multivitamin, prenatal)
- NatalCare GlossTabs (multivitamin, prenatal)
- Natalcare Pic (multivitamin, prenatal)
- Natalcare Pic Forte (multivitamin, prenatal)
- Natalcare Plus (multivitamin, prenatal)
- Natalcare Rx (multivitamin, prenatal)
- NatalCare Three (multivitamin, prenatal)
- Natalfirst (multivitamin, prenatal)
- Natalins (multivitamin, prenatal)
- Natalins Rx (multivitamin, prenatal)
- Natalvirt 90 (multivitamin, prenatal)
- Natalvirt CA (multivitamin, prenatal)
- Natalvirt FLT (multivitamin, prenatal)
- Natalvit (multivitamin, prenatal)
- Natarex (multivitamin, prenatal)
- Natatab CFe (multivitamin, prenatal)
- Natatab FA (multivitamin, prenatal)
- Natatab Rx (multivitamin, prenatal)
- Natazia (dienogest / estradiol)
- nateglinide
- Natelle (multivitamin, prenatal)
- Natelle C (multivitamin, prenatal)
- Natelle One (multivitamin, prenatal)
- Natelle One DHA (multivitamin, prenatal)
- Natelle Plus with DHA (multivitamin, prenatal)
- Natelle Prefer (multivitamin, prenatal)
- Natelle-ez (multivitamin, prenatal)
- Natesto (testosterone)
- Natrol Immune Boost (multivitamin with minerals)
- Natrol L-Arginine (multivitamin)
- Natrol Skin, Hair and Nails (multivitamin with minerals)
- Natrol Sleep'n Restore (calcium carbonate / melatonin / valerian / vitamin e)
- Natrol Sleep+Immune Health (ascorbic acid / cholecalciferol / elderberry / melatonin / zinc citrate)
- Natrol Stress and Anxiety Formula (multivitamin with minerals)
- Nature-Throid (thyroid desiccated)
- Nature's Blend Theratrum Complete Tablets 50 Plus (multivitamin with minerals)
- Nature's Bounty Hair Skin & Nails (multivitamin)
- Nature's Bounty Men's Hair Formula (multivitamin with minerals)
- Nature's Bounty Red Krill Oil (omega-3 polyunsaturated fatty acids)
- Natures Blend Tropical Nutrition (multivitamin with minerals)
- Naturetin (bendroflumethiazide)
- Naturetin-10 (bendroflumethiazide)
- Naturetin-5 (bendroflumethiazide)
- Nebcin (tobramycin)
- Nebcin Pediatric (tobramycin)
- Necon 0.5 / 35 (ethinyl estradiol / norethindrone)
- Necon 1 / 35 (ethinyl estradiol / norethindrone)
- Necon 1 / 50 (mestranol / norethindrone)
- Necon 10 / 11 (ethinyl estradiol / norethindrone)
- Necon 7 / 7 / 7 (ethinyl estradiol / norethindrone)
- Neevo (multivitamin, prenatal)
- Neevo DHA (multivitamin, prenatal)
- NegGram (nalidixic acid)
- nelfinavir
- Nelova 0.5 / 35 (ethinyl estradiol / norethindrone)
- Nelova 1 / 35 (ethinyl estradiol / norethindrone)
- Nelova 1 / 50 M (mestranol / norethindrone)
- Nelova 10 / 11 (ethinyl estradiol / norethindrone)
- Nembutal (pentobarbital)
- Nembutal Sodium (pentobarbital)
- Neo-Forte (multivitamin, prenatal)
- Neo-Fradin (neomycin)
- Neo-Tab (neomycin)
- Neocitran Non Drowsy Extra Strength Cold and Flu (acetaminophen / dextromethorphan / phenylephrine)
- neomycin
- NeoProfen (ibuprofen)
- NeoQ10 (ubiquinone / vitamin e)
- Neoral (cyclosporine)
- Neosar (cyclophosphamide)
- nepafenac ophthalmic
- Nephplex Rx (multivitamin)
- Nephro-Derm (methyl salicylate topical)
- Nephro-Vite (multivitamin)
- Nephro-Vite Rx (multivitamin)
- Nephro-Vite with Fe (multivitamin with iron)
- Nephrocaps (multivitamin)
- Nephrocaps QT (multivitamin)
- Nephrolan Rx (multivitamin)
- Nephron-FA (multivitamin with iron)
- Nephronex (multivitamin)
- Nestabs (multivitamin, prenatal)
- Nestabs ABC (multivitamin, prenatal)
- Nestabs CBF (multivitamin, prenatal)
- Nestabs DHA (multivitamin, prenatal)
- Nestabs FA (multivitamin, prenatal)
- Nestabs ONE (multivitamin, prenatal)
- Nestabs Rx (multivitamin, prenatal)
- Neuriva Brain performance Plus (multivitamin)
- Neurobion (multivitamin)
- Neurodep (multivitamin)
- Neuroforte-Six (multivitamin)
- Neurpath-B (multivitamin)
- Nevanac (nepafenac ophthalmic)
- nevirapine
- New Advanced Formula Prenatal Z (multivitamin, prenatal)
- New Terocin (capsaicin / menthol / methyl salicylate topical)
- Nexa Plus with DHA (multivitamin, prenatal)
- Nexa Select with DHA (multivitamin, prenatal)
- Nexafed Sinus Pressure + Pain (acetaminophen / pseudoephedrine)
- Nexavar (sorafenib)
- Nexcede (ketoprofen)
- Nexesta Fe (ethinyl estradiol / norethindrone)
- Nexium (esomeprazole)
- Nexium 24HR (esomeprazole)
- Nexium IV (esomeprazole)
- Nexlizet (bempedoic acid/ezetimibe)
- NexoBrid (anacaulase topical)
- Nexterone (amiodarone)
- Nextstellis (drospirenone / estetrol)
- Ngenla (somatrogon)
- niacin / simvastatin
- NIC 750 (multivitamin with minerals)
- Nicadan (multivitamin with minerals)
- Nicadan ZX (multivitamin with minerals)
- Nicaprin (multivitamin with minerals)
- NicAzel (multivitamin with minerals)
- NicAzel Doxy (doxycycline)
- NicAzel Forte (multivitamin with minerals)
- Nicomide (multivitamin with minerals)
- Nicotinamide Dietary Supplement (multivitamin with minerals)
- Nicotinamide ZCF (multivitamin with minerals)
- Niferex (prenatal) (multivitamin, prenatal)
- Niferex Gold (multivitamin with iron)
- Niferex PN Forte (multivitamin, prenatal)
- Niferex-150 (ascorbic acid/iron polysaccharide)
- Niferex-150 Forte (multivitamin with iron)
- Niferex-PN (multivitamin, prenatal)
- Night Time Cold & Flu (acetaminophen / dextromethorphan / doxylamine)
- Night Time Multi Symptom Cold / Flu Relief (acetaminophen / dextromethorphan / doxylamine)
- Night Time Pain (acetaminophen / diphenhydramine)
- Night Time Severe Cold and Cough (acetaminophen / diphenhydramine / phenylephrine)
- Nikita (pitavastatin)
- Nikki (drospirenone / ethinyl estradiol)
- nilotinib
- Ninjacof-A (acetaminophen / chlophedianol / pyrilamine)
- nintedanib
- niraparib
- nirmatrelvir / ritonavir
- Niron Komplete (multivitamin with iron)
- nitazoxanide
- nitisinone
- Nityr (nitisinone)
- Niva Thyroid (thyroid desiccated)
- Niva-Fol (multivitamin)
- Niva-Plus (multivitamin with iron)
- Nizoral (ketoconazole)
- No Frills Paracetamol (acetaminophen)
- Nodolor (acetaminophen / dichloralphenazone / isometheptene mucate)
- Nolvadex (tamoxifen)
- Nolvadex D (tamoxifen)
- Non-Aspirin PM Extra Strength (acetaminophen / diphenhydramine)
- Non-Drowsy Super Strength Contac Complete (acetaminophen / dextromethorphan / pseudoephedrine)
- Non-Pseudo Cold Relief (acetaminophen / dextromethorphan / guaifenesin / phenylephrine)
- Non-Pseudo Sinus Pain & Pressure (acetaminophen / phenylephrine)
- Nonbac (acetaminophen / butalbital / caffeine)
- Norco (acetaminophen / hydrocodone)
- Nordette (ethinyl estradiol / levonorgestrel)
- Nordette-21 (ethinyl estradiol / levonorgestrel)
- Nordette-28 (ethinyl estradiol / levonorgestrel)
- Norditropin (somatropin)
- Norditropin FlexPro (somatropin)
- Norditropin Nordiflex (somatropin)
- Norel AD (acetaminophen / chlorpheniramine / phenylephrine)
- Norel SR (acetaminophen / chlorpheniramine / phenylephrine / phenyltoloxamine)
- Norethin 1 / 35 E (ethinyl estradiol / norethindrone)
- Norethin 1 / 50 M (mestranol / norethindrone)
- norfloxacin
- Norgesic (aspirin / caffeine / orphenadrine)
- Norgesic Forte (aspirin / caffeine / orphenadrine)
- Norinyl 1+35 (ethinyl estradiol / norethindrone)
- Norinyl 1+50 (mestranol / norethindrone)
- Norit (charcoal)
- Noritate (metronidazole topical)
- Norlac RX (multivitamin, prenatal)
- Normiflo (ardeparin)
- Normodyne (labetalol)
- Noroxin (norfloxacin)
- Norpace (disopyramide)
- Norpace CR (disopyramide)
- Norpramin (desipramine)
- Nortemp Children's (acetaminophen)
- Northyx (methimazole)
- Nortrel 0.5 / 35 (ethinyl estradiol / norethindrone)
- Nortrel 1 / 35 (ethinyl estradiol / norethindrone)
- Nortrel 7 / 7 / 7 (ethinyl estradiol / norethindrone)
- nortriptyline
- Norvir (ritonavir)
- Norwegian Cod Liver Oil With EPA and DHA (multivitamin)
- Norwich Aspirin (aspirin)
- Nova Paracetamol (acetaminophen)
- NovaFerrum (multivitamin with iron)
- Novanatal (multivitamin, prenatal)
- Novasal (magnesium salicylate)
- NovaStart (multivitamin, prenatal)
- Novothyrox (levothyroxine)
- Noxafil (posaconazole)
- NP Thyroid (thyroid desiccated)
- Nu-Iron Plus (multivitamin with iron)
- Nu-Iron V (multivitamin with minerals)
- NuDiclo SoluPak (capsaicin / diclofenac topical)
- Nuedexta (dextromethorphan / quinidine)
- Nufera (multivitamin with iron)
- NuFol (multivitamin)
- Nufola (multivitamin)
- Numaqula Omega-3 (cholecalciferol / lutein / omega-3 polyunsaturated fatty acids / zeaxanthin)
- Numark Paracetamol (acetaminophen)
- Nuprin (ibuprofen)
- Nuprin Backache (magnesium salicylate)
- Nutiifac ZX (multivitamin with minerals)
- Nutr-E-Sol (vitamin e)
- NutraDrops (ubiquinone)
- Nutravance (multivitamin with minerals)
- Nutri-Tab OB (multivitamin, prenatal)
- Nutri-Tab OB plus DHA (multivitamin, prenatal)
- Nutricap (multivitamin with minerals)
- NutriDox Convenience Kit (doxycycline / omega-3 polyunsaturated fatty acids)
- NutriNate (multivitamin, prenatal)
- Nutrispire (multivitamin, prenatal)
- Nutrivit (multivitamin with minerals)
- Nutropin (somatropin)
- Nutropin AQ (somatropin)
- Nutropin Depot (somatropin)
- NuvaRing (ethinyl estradiol / etonogestrel)
- Nuvelle TS Phase I (estradiol)
- Nuvessa (metronidazole topical)
- Nuvigil (armodafinil)
- Nuvira (capsaicin / menthol / methyl nicotinate / methyl salicylate topical)
- NuZole (miconazole topical)
- Nuzyra (omadacycline)
- Nyal Paracetamol (acetaminophen)
- NyCair (acetaminophen / dextromethorphan / doxylamine / pseudoephedrine)
- Nydrazid (isoniazid)
- Nylia 1 / 35 (ethinyl estradiol / norethindrone)
- Nylia 7 / 7 / 7 (ethinyl estradiol / norethindrone)
- Nymyo (ethinyl estradiol / norgestimate)
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Related treatment guides
Drug Interaction Classification
| Highly clinically significant. Avoid combinations; the risk of the interaction outweighs the benefit. | |
| Moderately clinically significant. Usually avoid combinations; use it only under special circumstances. | |
| Minimally clinically significant. Minimize risk; assess risk and consider an alternative drug, take steps to circumvent the interaction risk and/or institute a monitoring plan. | |
| No interaction information available. |
Further information
Always consult your healthcare provider to ensure the information displayed on this page applies to your personal circumstances.