Coumadin Interactions
Showing entire list of all interactions, including brand names and combination drugs.
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Medications known to interact with Coumadin
L
- L Thyroxine Roche (levothyroxine)
- L-Carnitine (levocarnitine)
- L-Methyl-B6-B12 (multivitamin)
- L-Methyl-MC (multivitamin)
- L-Methyl-MC NAC (multivitamin)
- L-methylfolate Ca, Me-Cbl NAC (multivitamin)
- L-methylfolate Ca, P-5-P, Me-Cbl (multivitamin)
- L-Tonic (multivitamin with minerals)
- L'il Critters Gummy Vites (multivitamin with minerals)
- L'il Critters Immune C Plus Zinc Plus Vitamin D Gummy (multivitamin with minerals)
- labetalol
- lactobacillus casei / omega-3 polyunsaturated fatty acids
- lactobacillus rhamnosus gg / omega-3 polyunsaturated fatty acids
- Lactocal-F (multivitamin, prenatal)
- Lagesic (acetaminophen / phenyltoloxamine)
- Lamisil (terbinafine)
- Laniroif (aspirin / butalbital / caffeine)
- lansoprazole
- lansoprazole / naproxen
- lanthanum carbonate
- Larapam SR (tramadol)
- Larin 1.5 / 30 (ethinyl estradiol / norethindrone)
- Larin 1 / 20 (ethinyl estradiol / norethindrone)
- Larin 24 Fe (ethinyl estradiol / norethindrone)
- Larin Fe 1.5 / 30 (ethinyl estradiol / norethindrone)
- Larin Fe 1 / 20 (ethinyl estradiol / norethindrone)
- Larissia (ethinyl estradiol / levonorgestrel)
- LarkaDrin (acetaminophen / dichloralphenazone / isometheptene mucate)
- Larobec (multivitamin)
- larotrectinib
- Layolis Fe (ethinyl estradiol / norethindrone)
- Leader 8 Hour Pain Reliever (acetaminophen)
- Leader Heartburn Relief (cimetidine)
- Leader Naproxen Sodium (naproxen)
- lecanemab
- Ledercillin VK (penicillin v potassium)
- ledipasvir / sofosbuvir
- Leena (ethinyl estradiol / norethindrone)
- lefamulin
- leflunomide
- Leg-Gesic (multivitamin with minerals)
- Legatrin PM (acetaminophen / diphenhydramine)
- Lemsip Childrens Cold & Flu (acetaminophen)
- Lemsip Cold and Flu Liquid Capsule (acetaminophen)
- Lemsip Headcold (acetaminophen)
- Lemsip Max (acetaminophen)
- Lemsip Original (acetaminophen)
- Lemsip Pharmacy Non-Decongestant Formula (acetaminophen)
- Lemtrada (alemtuzumab)
- lenacapavir
- lenalidomide
- leniolisib
- Lentocilin (penicillin g benzathine)
- lepirudin
- Leqembi (lecanemab)
- Leribane (ethinyl estradiol / norethindrone)
- Lescol (fluvastatin)
- Lescol XL (fluvastatin)
- Lessina (ethinyl estradiol / levonorgestrel)
- letermovir
- Levacet (acetaminophen / aspirin / caffeine / salicylamide)
- levamisole
- Levaquin (levofloxacin)
- Levaquin Leva-Pak (levofloxacin)
- Levatol (penbutolol)
- Levlen (ethinyl estradiol / levonorgestrel)
- Levlite (ethinyl estradiol / levonorgestrel)
- Levo-T (levothyroxine)
- levocarnitine
- levofloxacin
- levoketoconazole
- Levolet (levothyroxine)
- Levomefolate Calcium-Algal Powder (multivitamin)
- Levomefolate DHA (multivitamin, prenatal)
- LevomefolatePNV (multivitamin, prenatal)
- levomilnacipran
- Levonest (ethinyl estradiol / levonorgestrel)
- Levora (ethinyl estradiol / levonorgestrel)
- Levotabs (levothyroxine)
- Levotec (levothyroxine)
- Levothroid (levothyroxine)
- Levothyrox (levothyroxine)
- levothyroxine
- levothyroxine / liothyronine
- Levoxyl (levothyroxine)
- Levsin with Phenobarbital (hyoscyamine / phenobarbital)
- Lexapro (escitalopram)
- Leximenth (diclofenac / lidocaine / menthol topical)
- Lexiva (fosamprenavir)
- Lexixryl (diclofenac topical)
- Lialda (mesalamine)
- Librax (chlordiazepoxide / clidinium)
- Libritabs (chlordiazepoxide)
- Librium (chlordiazepoxide)
- Licart (diclofenac topical)
- lidocaine / menthol / methyl salicylate topical
- lidocaine / oxytetracycline
- LidoPro (capsaicin / lidocaine / menthol / methyl salicylate topical)
- LidoPro Patch (lidocaine / menthol / methyl salicylate topical)
- LidoProfen (ketamine / ketoprofen / lidocaine topical)
- Life's DHA Adult (omega-3 polyunsaturated fatty acids)
- Life's DHA Kids and Teens (lutein / omega-3 polyunsaturated fatty acids / zeaxanthin)
- Likmez (metronidazole)
- Lil Critters Gummy (multivitamin with minerals)
- Lillow (ethinyl estradiol / levonorgestrel)
- Limbitrol (amitriptyline / chlordiazepoxide)
- Limbitrol DS (amitriptyline / chlordiazepoxide)
- Limbrel (bioflavonoids)
- Limbrel 250 (bioflavonoids / zinc glycinate)
- Limbrel 500 (bioflavonoids / zinc glycinate)
- Limencin (capsaicin / menthol / methyl salicylate topical)
- linagliptin / metformin
- linezolid
- liothyronine
- liotrix
- Lipidil EZ (fenofibrate)
- Lipidil Micro (fenofibrate)
- Lipidil Supra (fenofibrate)
- Lipitor (atorvastatin)
- Lipodox (doxorubicin liposomal)
- Lipodox 50 (doxorubicin liposomal)
- Lipofen (fenofibrate)
- Lipoflavonoid (multivitamin)
- Lipoflavovit (multivitamin with minerals)
- Lipogen (multivitamin)
- Liponol (multivitamin)
- Lipotriad (multivitamin)
- Liptruzet (atorvastatin / ezetimibe)
- LiQ-10 (ubiquinone)
- Liqrev (sildenafil)
- LiQsorb (ubiquinone)
- Liqui-Char (charcoal)
- Liqui-Char with Sorbitol (charcoal / sorbitol)
- Liquicet (acetaminophen / hydrocodone)
- Liquid Co-Q10 (ubiquinone)
- Liquid Pred (prednisone)
- Liquiprin (acetaminophen)
- Litecoat Aspirin (aspirin)
- Litfulo (ritlecitinib)
- Little Colds Multi-Symptom (acetaminophen / dextromethorphan / phenylephrine)
- Little Fevers (acetaminophen)
- Livalo (pitavastatin)
- Liver Protect (multivitamin with minerals)
- Livitrinsic-F (multivitamin with iron)
- lixisenatide
- Lloydspharmacy Paracetamol Infant (acetaminophen)
- Lloydspharmacy Paracetamol Six Plus (acetaminophen)
- Lo Loestrin Fe (ethinyl estradiol / norethindrone)
- Lo Minastrin Fe (ethinyl estradiol / norethindrone)
- Lo Simpesse (ethinyl estradiol / levonorgestrel)
- Lo-Malmorede (ethinyl estradiol / ethynodiol)
- Lo-Zumandimine (drospirenone / ethinyl estradiol)
- Lo / Ovral (ethinyl estradiol / norgestrel)
- Lo / Ovral-28 (ethinyl estradiol / norgestrel)
- Lobac (acetaminophen / phenyltoloxamine / salicylamide)
- Locholest (cholestyramine)
- Locholest Light (cholestyramine)
- LoCort (dexamethasone)
- Lodine (etodolac)
- Lodine XL (etodolac)
- Loestrin 21 1.5 / 30 (ethinyl estradiol / norethindrone)
- Loestrin 21 1 / 20 (ethinyl estradiol / norethindrone)
- Loestrin 24 Fe (ethinyl estradiol / norethindrone)
- Loestrin Fe 1.5 / 30 (ethinyl estradiol / norethindrone)
- Loestrin Fe 1 / 20 (ethinyl estradiol / norethindrone)
- Lofena (diclofenac)
- Lofibra (fenofibrate)
- LoJaimiess (ethinyl estradiol / levonorgestrel)
- Lomedia 24 Fe (ethinyl estradiol / norethindrone)
- lomefloxacin
- lomitapide
- lonafarnib
- lonapegsomatropin
- Lopid (gemfibrozil)
- lopinavir / ritonavir
- Lopreeza (estradiol / norethindrone)
- Lopressor HCT (hydrochlorothiazide / metoprolol)
- Lopurin (allopurinol)
- Loqua (hydrochlorothiazide)
- Lorabid (loracarbef)
- Lorabid Pulvules (loracarbef)
- loracarbef
- Lorbrena (lorlatinib)
- Lorcet (acetaminophen / hydrocodone)
- Lorcet 10 / 650 (acetaminophen / hydrocodone)
- Lorcet HD (acetaminophen / hydrocodone)
- Lorcet Plus (acetaminophen / hydrocodone)
- lorlatinib
- LorMate (multivitamin)
- Lortab (acetaminophen / hydrocodone)
- Lortab ASA (aspirin / hydrocodone)
- Loryna (drospirenone / ethinyl estradiol)
- LoSeasonique (ethinyl estradiol / levonorgestrel)
- Lotensin (benazepril)
- Lotensin HCT (benazepril / hydrochlorothiazide)
- Lotrel (amlodipine / benazepril)
- Lotrimin AF Athlete's Foot Powder (miconazole topical)
- Lotrimin AF Athlete's Foot Powder Spray (miconazole topical)
- Lotrimin AF Athlete's Foot Spray (miconazole topical)
- Lotrimin AF Deodorant Powder Spray (miconazole topical)
- Lotrimin AF Jock Itch Powder Spray (miconazole topical)
- lovastatin
- lovastatin / niacin
- Lovaza (omega-3 polyunsaturated fatty acids)
- Lovenox (enoxaparin)
- Lovenox HP (enoxaparin)
- Low Dose ASA (aspirin)
- Low-Ogestrel-28 (ethinyl estradiol / norgestrel)
- Lozol (indapamide)
- Lufyllin-EPG (dyphylline / ephedrine / guaifenesin / phenobarbital)
- Lumakras (sotorasib)
- Luminal (phenobarbital)
- Lunelle (estradiol / medroxyprogesterone)
- Lunsumio (mosunetuzumab)
- Lurline PMS (acetaminophen / pamabrom / pyridoxine)
- LuSonex Plus (acetaminophen / guaifenesin / phenylephrine)
- lutein / omega-3 polyunsaturated fatty acids / zeaxanthin
- Lutera (ethinyl estradiol / levonorgestrel)
- Luvox (fluvoxamine)
- Luvox CR (fluvoxamine)
- Lybrel (ethinyl estradiol / levonorgestrel)
- Lydia Pinkham (multivitamin with iron)
- Lyllana (estradiol)
- LymePak (doxycycline)
- Lypqozet (atorvastatin / ezetimibe)
- Lysiplex (multivitamin)
- Lysiplex Plus (multivitamin with minerals)
- Lysodren (mitotane)
- Lysteda (tranexamic acid)
More about Coumadin (warfarin)
- Coumadin consumer information
- Check interactions
- Compare alternatives
- Reviews (21)
- Drug images
- Side effects
- Dosage information
- Patient tips
- During pregnancy
- Support group
- Drug class: coumarins and indandiones
- Breastfeeding
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.