Warfarin Interactions
Showing entire list of all interactions, including brand names and combination drugs.
Go back to interactions summary
Medications known to interact with warfarin
O
- O-CAL FA (multivitamin with minerals)
- O-Cal Prenatal (multivitamin, prenatal)
- OB Complete (multivitamin, prenatal)
- OB Complete 400 (multivitamin, prenatal)
- OB Complete 400 with DHA (multivitamin, prenatal)
- OB Complete Chewables (multivitamin, prenatal)
- OB Complete Gold (multivitamin, prenatal)
- OB Complete One with DHA (multivitamin, prenatal)
- OB Complete Petite (multivitamin, prenatal)
- OB Complete Petite with DHA (multivitamin, prenatal)
- OB Complete Premier (multivitamin, prenatal)
- OB Complete with DHA (multivitamin, prenatal)
- OB Natal One (multivitamin, prenatal)
- Ob-20 (multivitamin, prenatal)
- Obegyn (multivitamin, prenatal)
- obeticholic acid
- Obnate 90 (multivitamin, prenatal)
- Obstetrix EC (multivitamin, prenatal)
- Obstetrix One (multivitamin, prenatal)
- Obtrex (multivitamin, prenatal)
- Obtrex DHA (multivitamin, prenatal)
- Ocaliva (obeticholic acid)
- Occuplex (multivitamin with minerals)
- Ocella (drospirenone / ethinyl estradiol)
- Ocudox (doxycycline)
- Ocufen (flurbiprofen ophthalmic)
- Ocular Vitamins with Lutein (multivitamin with minerals)
- Ocuvite (multivitamin with minerals)
- Ocuvite Adult 50+ (multivitamin with minerals)
- Ocuvite Extra (multivitamin with minerals)
- Ocuvite Eye + Multi (multivitamin with minerals)
- Ocuvite Lutein (multivitamin with minerals)
- Ocuvite PreserVision (multivitamin with minerals)
- Oesclim (estradiol)
- Oestradiol Implants (estradiol)
- Oestrodose (estradiol)
- Oestrogel (estradiol)
- Oestrogel Pump-Pack (estradiol)
- Ofev (nintedanib)
- Ofirmev (acetaminophen)
- ofloxacin
- Ogen (estropipate)
- Ogen 0.625 (estropipate)
- Ogen 1.25 (estropipate)
- Ogen 2.5 (estropipate)
- Ogen Vaginal Cream (estropipate topical)
- Ogestrel 0.5 / 50 (ethinyl estradiol / norgestrel)
- Ogivri (trastuzumab)
- Ojemda (tovorafenib)
- Okebo (doxycycline)
- Oleptro (trazodone)
- Olly Undeniable Beauty Hair Skin and Nails Gummy (multivitamin)
- Olly Women's Multi Gummy (multivitamin with minerals)
- olsalazine
- olutasidenib
- Olysio (simeprevir)
- omacetaxine
- Omacor (omega-3 polyunsaturated fatty acids)
- omadacycline
- omaveloxolone
- ombitasvir / paritaprevir / ritonavir
- Omeclamox-Pak (amoxicillin / clarithromycin / omeprazole)
- Omega 3-6-9 Complex (omega-3 polyunsaturated fatty acids)
- Omega Essentials (omega-3 polyunsaturated fatty acids)
- Omega Essentials Basic (omega-3 polyunsaturated fatty acids)
- Omega Monopure (omega-3 polyunsaturated fatty acids)
- Omega MonoPure 1300 EC (omega-3 polyunsaturated fatty acids)
- Omega MonoPure 650 EC (omega-3 polyunsaturated fatty acids)
- Omega MonoPure Curcumin EC (omega-3 polyunsaturated fatty acids / turmeric)
- Omega MonoPure DHA EC (omega-3 polyunsaturated fatty acids)
- Omega Q Plus (multivitamin)
- Omega-3 (omega-3 polyunsaturated fatty acids)
- Omega-3 D-3 Wellness Pack (omega-3 polyunsaturated fatty acids)
- Omega-3 Fish Oil (omega-3 polyunsaturated fatty acids)
- omega-3 polyunsaturated fatty acids
- omega-3 polyunsaturated fatty acids / turmeric
- omega-3 polyunsaturated fatty acids / ubiquinone
- omega-3 polyunsaturated fatty acids / vitamin e
- Omega-3 With CoQ10 (omega-3 polyunsaturated fatty acids / ubiquinone)
- Omega-3-Acid Ethyl Esters (omega-3 polyunsaturated fatty acids)
- Omega-500 (omega-3 polyunsaturated fatty acids)
- Omega-V Benefits (omega-3 polyunsaturated fatty acids)
- Omegapure 600 EC (omega-3 polyunsaturated fatty acids)
- Omegapure 780 EC (omega-3 polyunsaturated fatty acids)
- Omegapure 820 (omega-3 polyunsaturated fatty acids)
- Omegapure 900 EC (omega-3 polyunsaturated fatty acids)
- Omegapure 900-TG (omega-3 polyunsaturated fatty acids)
- Omegapure PRM (omega-3 polyunsaturated fatty acids)
- OmegaXL (omega-3 polyunsaturated fatty acids)
- omeprazole
- omeprazole / sodium bicarbonate
- Omera (omega-3 polyunsaturated fatty acids)
- Omesec (omeprazole)
- Omidria (ketorolac / phenylephrine ophthalmic)
- Omnicef (cefdinir)
- Omnicef Omni-Pac (cefdinir)
- Omnipen (ampicillin)
- Omnipen-N (ampicillin)
- Omnitrope (somatropin)
- Omtryg (omega-3 polyunsaturated fatty acids)
- Oncaspar (pegaspargase)
- Oncovin (vincristine)
- Oncovite (multivitamin)
- One A Day Adult Triple Immune Support (multivitamin with minerals)
- One A Day Men's Complete (multivitamin with minerals)
- One A Day Multi Plus Immunity Defense Gummies (multivitamin with minerals)
- One A Day Vitacraves Adult Gummies (multivitamin with minerals)
- One A Day Women's Complete (multivitamin with minerals)
- One A Day Women's Menopause Formula (multivitamin with minerals)
- One A Day Women's Prenatal (multivitamin, prenatal)
- One Daily Combo Pack (multivitamin, prenatal)
- One Daily Essential (multivitamin with minerals)
- One Daily Multi-Essential (multivitamin)
- One Daily with Minerals (multivitamin with minerals)
- One Tab Daily (multivitamin)
- One Tab Daily with Iron (multivitamin with iron)
- One Tab Daily with Minerals (multivitamin with minerals)
- One-A-Day 50+ (multivitamin)
- One-A-Day Essentials (multivitamin)
- One-A-Day Max (multivitamin with minerals)
- One-A-Day Men 50 Plus (multivitamin with minerals)
- One-A-Day Men Pro Edge (multivitamin with minerals)
- One-A-Day Men's Health Formula (multivitamin)
- One-A-Day Mens 50+ Healthy Advantage (multivitamin with minerals)
- One-A-Day Vitacraves (multivitamin with minerals)
- One-A-Day Vitacraves Men's (multivitamin with minerals)
- One-A-Day Vitacraves Women's (multivitamin with minerals)
- One-A-Day WeightSmart (multivitamin with minerals)
- One-A-Day Within (multivitamin with minerals)
- One-A-Day Women (multivitamin with minerals)
- One-A-Day Women 50 Plus (multivitamin with minerals)
- Onmel (itraconazole)
- Onset Forte (acetaminophen / chlorpheniramine / phenylephrine)
- Onsura (ethinyl estradiol / norelgestromin)
- Ontruzant (trastuzumab)
- Ony-Clear (miconazole topical)
- Opti-Gen (multivitamin with minerals)
- Opticleanse Plus (multivitamin with minerals)
- Optifast Post Bariatric (multivitamin with minerals)
- OptiFlex Complete (chondroitin / glucosamine)
- OptiFlex-C (chondroitin)
- Optiflex-G (glucosamine)
- Optilets-500 (multivitamin)
- Optilets-M-500 (multivitamin with minerals)
- Optimetabolix (multivitamin with minerals)
- Optimetabolix 2:1 (multivitamin with minerals)
- Optimum Charcoal (charcoal)
- OptiNate (multivitamin, prenatal)
- Optisource Post Bariatric Surgery (multivitamin with minerals)
- Optivite PMT (multivitamin with minerals)
- Oracea (doxycycline)
- Orajel Maximum Strength Toothache (acetaminophen)
- Orapred (prednisolone)
- Orapred ODT (prednisolone)
- Orasone (prednisone)
- Oravig (miconazole)
- Oraxyl (doxycycline)
- Orbactiv (oritavancin)
- Orbivan (acetaminophen / butalbital / caffeine)
- Orbivan CF (acetaminophen / butalbital)
- Ordov Febrigesic Paracetamol (acetaminophen)
- Orenitram (treprostinil)
- Oretic (hydrochlorothiazide)
- Oreticyl 25 (deserpidine / hydrochlorothiazide)
- Oreticyl 50 (deserpidine / hydrochlorothiazide)
- Oreticyl Forte (deserpidine / hydrochlorothiazide)
- Oreton Methyl (methyltestosterone)
- Orfadin (nitisinone)
- Organon Oestradiol (estradiol)
- Orgaran (danaparoid)
- Oriahnn (elagolix / estradiol / norethindrone)
- Orinase (tolbutamide)
- oritavancin
- Orkambi (ivacaftor / lumacaftor)
- orlistat
- Ornex (acetaminophen / pseudoephedrine)
- Ornex Maximum Strength (acetaminophen / pseudoephedrine)
- Oromone (estradiol)
- Oroxine (levothyroxine)
- Orphengesic (aspirin / caffeine / orphenadrine)
- Orphengesic Forte (aspirin / caffeine / orphenadrine)
- Orsythia (ethinyl estradiol / levonorgestrel)
- Ortho Cyclen (ethinyl estradiol / norgestimate)
- Ortho Dienestrol (dienestrol topical)
- Ortho Evra (ethinyl estradiol / norelgestromin)
- Ortho Tri-Cyclen (ethinyl estradiol / norgestimate)
- Ortho Tri-Cyclen Lo (ethinyl estradiol / norgestimate)
- Ortho-Cept (desogestrel / ethinyl estradiol)
- Ortho-Est (estropipate)
- Ortho-Novum 1 / 35 (ethinyl estradiol / norethindrone)
- Ortho-Novum 1 / 50 (mestranol / norethindrone)
- Ortho-Novum 10 / 11 (ethinyl estradiol / norethindrone)
- Ortho-Novum 7 / 7 / 7 (ethinyl estradiol / norethindrone)
- Ortho-Prefest (estradiol / norgestimate)
- Ortikos (budesonide)
- Orudis (ketoprofen)
- Orudis KT (ketoprofen)
- Oruvail (ketoprofen)
- Os-Cal Ultra (multivitamin with minerals)
- OSAplex (multivitamin with minerals)
- oseltamivir
- Oshih (ethinyl estradiol / norethindrone)
- osilodrostat
- osimertinib
- Osteo Bi-Flex (chondroitin / glucosamine)
- Osteo Bi-Flex Advanced (chondroitin / glucosamine / methylsulfonylmethane)
- Osteo Bi-Flex Double Strength (chondroitin / glucosamine)
- Osteo Bi-Flex Plus MSM (chondroitin / glucosamine / methylsulfonylmethane)
- Osteo Bi-Flex Triple Strength (chondroitin / glucosamine)
- Ostiva (multivitamin with minerals)
- Otis Clapp Back Quell (acetaminophen / magnesium salicylate)
- Otrexup (methotrexate)
- Ovcon 35 (ethinyl estradiol / norethindrone)
- Ovcon 35 Fe (ethinyl estradiol / norethindrone)
- Ovcon 50 (ethinyl estradiol / norethindrone)
- Ovega-3 Vegetarian (omega-3 polyunsaturated fatty acids)
- Ovral (ethinyl estradiol / norgestrel)
- Ovral-21 (ethinyl estradiol / norgestrel)
- Ovral-28 (ethinyl estradiol / norgestrel)
- oxacillin
- Oxandrin (oxandrolone)
- oxandrolone
- oxaprozin
- Oxbryta (voxelotor)
- Oxycet (acetaminophen / oxycodone)
- oxymetholone
- oxytetracycline
- oxytetracycline / phenazopyridine / sulfamethizole
More about warfarin
- warfarin consumer information
- Check interactions
- Compare alternatives
- Pricing & coupons
- Reviews (55)
- Drug images
- Side effects
- Dosage information
- Patient tips
- During pregnancy
- Support group
- Drug class: coumarins and indandiones
- Breastfeeding
- En español
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.