Warfarin Drug Interactions

warfarin is known to interact with the following drugs:

Click on a link below to view Drug-Drug Interactions with warfarin.

Major Interaction Major Interactions
5-FU, Abbokinase, Abbokinase Open-Cath, abciximab, Acetylsalicylic Acid, Activase, Actron, Acuprin 81, Adrucil, Advil, Advil Childrens, Advil Junior Strength, Advil Liquigel, Advil Migraine, Advil Pediatric, Aflaxen, Aggrastat, alatrofloxacin, Aleve, Aleve Caplet, Aleve Easy Open Arthritis, Aleve Gelcap, Aloe Vesta, Aloe Vesta 2 in 1 Antifungal, alteplase, amiodarone, amobarbital, Amytal Sodium, Anabolin LA, Anadrol-50, Anaprox, Anaprox-DS, Andro LA 200, Andro-Cyp 100, Andro-Cyp 200, Androderm, AndroGel, AndroGel 2.5 g/packet, AndroGel 5 g/packet, AndroGel Pump 1.25 g/actuation, Android, Android-10, Android-25, Androlone-D, Andryl 200, Angiomax, anistreplase, Ansaid, Antara, Anturane, Aptivus, ardeparin, Arixtra, Arixtra 10 mg/dose, Arixtra 5 mg/dose, Arixtra 7.5 mg/dose, Arthritis Pain, ASA, Ascriptin Enteric, Aspergum Cherry, Aspergum Orginal, Aspir-Low, aspirin, aspirin extended release, Aspirin Lite Coat, Aspirin Litecoat, Aspirin Low Strength, Aspirtab, Atromid-S, Avelox, Avelox I.V., Azulfidine, Azulfidine EN-tabs, Bayer Aspirin, Bayer Aspirin Regimen, Bayer Aspirin Sugar Free, Bayer Aspirin with Calcium, Bayer Childrens Aspirin, Bayer Low Strength, Bayer Plus, Baza Antifungal, Bexxar Dosimetric, Bexxar I 131 Dosimetric, Bexxar I 131 Therapeutic, BexxarTherapeutic, Biaxin, Biaxin XL, Biaxin XL-Pak, bivalirudin, Brevital Sodium, bromfenac, Buffered Aspirin, Bufferin, Bufferin Arthritis Strength, Bufferin Extra Strength, Buffex, Busodium, butabarbital, butalbital, Butisol Sodium, capecitabine, Cataflam, Cathflo Activase, Chem Mart Tamoxifen, Childrens Ibuprofen Berry, Cinobac, cinoxacin, Cipro, Cipro Cystitis Pack, Cipro I.V., Cipro XR, ciprofloxacin, ciprofloxacin extended release, clarithromycin, clarithromycin extended release, Clexane, Clexane Forte, Clinoril, clofibrate, Comfort Pac with Naproxen, Cordarone, Cordarone I.V., Critic-Aid Clear AF, Cruex Prescription Strength, dalteparin, danaparoid, danazol, Danocrine, dasatinib, Daypro, Deca-Durabolin, Delatest, Delatestryl, Depandro 100, Depo-Testosterone, Depotest, DermaFungal, Dermagran AF, Desenex AF, Desenex Foot, Desenex Jock Itch, Desenex Prescription Strength, desirudin, diclofenac, diclofenac potassium, diclofenac sodium, diclofenac sodium extended release, dicloxacillin, Diflucan, diflunisal, Dolobid, Dom-Fenofibrate, drotrecogin, drotrecogin alfa, Durabolin, Durabolin 50, DurAct, Duratest, Durathate 200, Dycill, Dynapen, E-Mycin, E.E.S. Granules, E.E.S.-200, E.E.S.-400, E.E.S.-400 Filmtab, Easprin, EC-Naprosyn, Ecotrin, Ecotrin Adult Low Strength, Ecotrin Maximum Strength, Emblon, Empirin, enoxacin, enoxaparin, Entaprin, Entercote, eptifibatide, Ery-Tab, Eryc, EryPed, EryPed 200, EryPed 400, Erythrocin Lactobionate, Erythrocin Stearate Filmtab, Erythrocot, erythromycin, erythromycin base, erythromycin estolate, erythromycin ethylsuccinate, erythromycin lactobionate, erythromycin stearate, etodolac, etodolac extended release, Everone, Extra Strength Bayer, Factive, Fareston, Fasprin, Feldene, fenofibrate, Fenoglide, fenoprofen, First Testosterone, FIRST-Testosterone, FIRST-Testosterone MC, Flagyl, Flagyl 375, Flagyl ER, Flagyl I.V., Flagyl I.V. RTU, Floxin, Floxin I.V., fluconazole, fluorouracil, fluoxymesterone, flurbiprofen, fondaparinux, Fragmin, Fungoid, Fungoid Kit, Gantanol, Gantrisin, Gantrisin Pediatric, gatifloxacin, gemfibrozil, gemifloxacin, Genacote, Gennin-FC, Genox, Genpril, Genprin, GenRx Tamoxifen, Gleevec, grepafloxacin, Halfprin, Halotestin, Haltran, Hep-Lock, Hep-Pak, Hep-Pak CVC, heparin, Heparin Lock Flush, Histerone, Hybolin Decanoate, Hybolin-Improved, ibritumomab, Ibu, IBU-200, Ibu-4, Ibu-6, Ibu-8, Ibu-Tab, ibuprofen, Ibuprofen PMR, Ilosone, Ilotycin Gluceptate, imatinib, In-111 Zevalin, Indocin, Indocin SR, indomethacin, indomethacin extended release, Innohep, Integrilin, iodine I 131 tositumomab, Iprivask, Kabikinase, ketoprofen, ketoprofen extended release, ketorolac, Kinlytic, Leader Naproxen Sodium, Levaquin, Levaquin Leva-Pak, levofloxacin, Lipidil EZ, Lipidil Micro, Lipidil Supra, Lipofen, Litecoat Aspirin, Lodine, Lodine XL, Lofibra, lomefloxacin, Lopid, Lotrimin AF, Lotrimin AF Aerosol Liquid, Lotrimin AF Deodorant Powder Spray, Lotrimin AF Powder Spray, Lovenox, Lovenox HP, Low Dose ASA, Luminal, M-Zole 3, M-Zole Dual Pack, Maxaquin, Mebaral, meclofenamate, Meclomen, Meditest, mefenamic acid, meloxicam, Menadol, mephobarbital, Methitest, methohexital, methylTESTOSTERone, Metro I.V., metronidazole, metronidazole extended release, Metryl, Micatin, Micatin Cooling Action, Micatin Foot Powder, Micatin Foot Powder Deodorant, Micatin Jock Itch, Micatin Liquid Foot, Micon 7, miconazole, Miconazole 3, Miconazole 7, miconazole topical, Micro-Guard, Midol Extended Relief, Midol IB, Midol Maximum Strength Cramp Formula, Mifeprex, mifepristone, Minitabs, Mitrazol, Mobic, Monistat 3, Monistat 5, Monistat 7, Monistat Derm, Monistat I.V., Monistat-1 Combo Pack, Monistat-1 Dual Pack, Motrin, Motrin Childrens, Motrin IB, Motrin Infant Drops, Motrin Junior Strength, Motrin Migraine Pain, Motrin Pediatric, moxifloxacin, MY-E, Mycobutin, Mysoline, nabumetone, nafcillin, Nalfon, nalidixic acid, Nallpen, nandrolone, nandrolone decanoate, nandrolone phenpropionate, Naprelan '375', Naprelan '500', Naprosyn, naproxen, naproxen sodium, Naproxen Sodium DS, naproxen sodium extended release, Neggram, Nembutal, Nembutal Sodium, NeoProfen, Nolvadex, Nolvadex D, norfloxacin, Normiflo, Noroxin, Norwich Aspirin, Nuprin, ofloxacin, Ony-Clear, Oreton Methyl, Orgaran, Orudis, Orudis KT, Oruvail, Oxandrin, oxandrolone, oxaprozin, oxymetholone, Pacerone, PCE Dispertab, Pediacare Fever, Penetrex, pentobarbital, Pentothal, phenobarbital, phenylbutazone, piroxicam, Ponstel, primidone, Proquin XR, Protostat, Q-Profen, Raxar, Relafen, Reopro, Retavase, reteplase, rifabutin, Rifadin, Rifadin IV, rifampin, Rimactane, Robimycin, RU-486, Rufen, Saleto-200, Saleto-400, Saleto-600, Saleto-800, secobarbital, Seconal Sodium, Secura Antifungal, Secura Antifungal Extra Thick, Sloprin, Solfoton, Soltamox, sparfloxacin, Sprycel, St. Joseph Aspirin, St. Joseph Aspirin Adult Chewable, St. Joseph Aspirin Adult EC, Stanback Analgesic, stanozolol, Streptase, streptokinase, Striant, sulfADIAZINE, sulfADIAZINE sodium, sulfadoxine, sulfamethizole, sulfamethoxazole, sulfasalazine, Sulfazine, sulfinpyrazone, sulfiSOXAZOLE, sulindac, Tamofen, Tamofen(obsolete), Tamone, Tamosin, Tamoxen, tamoxifen, Tamoxifen Hexal, Tao, temsirolimus, tenecteplase, Tequin, Tequin Teqpaq, Terry White Chemists Tamoxifen, Testamone-100, Testim, Testim 5 g/packet, Testoderm, Testolin, Testopel Pellets, testosterone, Testosterone Cypionate, Testosterone Enanthate, testosterone propionate, testosterone topical, Testred, Testro, Testro AQ, Testro-L.A., Tetterine, Therapy Bayer, thiopental, Thiosulfil Forte, tinzaparin, tipranavir, tirofiban, tissue plasminogen activator, TNKase, Tolectin, Tolectin 600, Tolectin DS, tolmetin, Toradol, Toradol IM, Toradol IV/IM, toremifene, Torisel, tositumomab, TPA, Tri-Buffered Aspirin, TriCor, Triglide, Triple Paste AF, troleandomycin, trovafloxacin, Trovan, Truxazole, Unipen, urokinase, Vagistat-3, VFEND, Virilon, Virilon IM, Voltaren, Voltaren-XR, voriconazole, Winstrol, Xeloda, Xigris, Y-90 Zevalin, Yeast-X Int, YSP Aspirin, Zagam, Zagam Respipac, Zeasorb-AF, Zeasorb-AF Drying Gel, Zeasorb-AF Lotion/Powder, Zero-Order Release, Zorprin

Moderate Interaction Moderate Interactions
5-ASA, A-Cillin, A-Hydrocort, A-Methapred, Absorbine Jr., Absorbine Jr. Extra Strength, Accolate, Accutane, Acetocot, Aciphex, Acova, ACTH, ACTH Gel, ACTH-40 HP, ACTH-80, Acthar, Acthar Gel, H.P., Acthrel, Actidose-Aqua, Actidose-Aqua Advance, Actimmune, Activated Charcoal, Activated Charcoal with Sorbitol (obsolete), Active Carbon, Acular, Acular LS, Acular PF, Adapin, Adbeon, Adgyn Estro, Adlone-40, Adlone-80, Adoxa, Adoxa CK, Adoxa TT, Adrenocot, Adrenocot L.A., Aerodiol, aesculus hippocastanum, Afluria, Agenerase, Ala-Tet, alcohol, alcohol, ethyl, Alferon N, alli, allopurinol, Alodox, Aloprim, Alora, Alpha E, alpha tocopherol, Altocor, Altoprev, Amaryl, Amigesic, Amino-Opti-E, aminoglutethimide, amitriptyline, Amnesteem, amoxapine, amoxicillin, Amoxicot, Amoxil, Amoxil Pediatric Drops, ampicillin, amprenavir, Anaflex, Anafranil, Analgesic Balm, Analgesic Balm Greaseless, Ancef, Animi-3, Antabuse, aprepitant, Aqua-E, Aquachloral Supprettes, Aquamephyton, Aquasol E, Aquavite-E, Aquest, Arava, argatroban, Argesic-SA, ARI Sodium Iodide (I123) 1-12 MBq, ARI Sodium Iodide (I123) 100-750 MBq, Aristocort, Aristocort For Injection, Aristocort Forte, Aristopak, Aristospan Injection, armodafinil, Armour Thyroid, Arthricare Cream, Arthropan, Asacol, Asendin, atazanavir, Aventyl HCl, Avonex, Avonex Prefilled Syringe, Azasan, azathioprine, azithromycin, Azithromycin 3 Day Dose Pack, Azithromycin 5 Day Dose Pack, azithromycin extended release, Azmacort, Azo-Cranberry, bacampicillin, Bactocill, balsalazide, Banalg, Banalg Hospital Strength, Bayer Select Backache Pain Formula, Bedol, Beepen-VK, Ben Gay, BENGAY Arthritis, BENGAY Greaseless, BENGAY Original, BENGAY Ultra, BENGAY Vanishing Scent, Beta-Phos/AC, betamethasone, betamethasone acet-betamethasone na phosphate, betamethasone sodium phosphate, Betaseron, Bextra, Bicillin C-R, Bicillin L-A, Biomox, Bismarex, Bismatrol, Bismatrol Maximum Strength, bismuth subsalicylate, Boroleum, bosentan, Brodspec, bromfenac ophthalmic, Bubbli-Pred, Budeprion SR, Budeprion XL, buPROPion, buPROPion 24 hour extended release, buPROPion extended release, Byetta, Canasa, Canasa Pac, Carafate, carbamazepine, carbamazepine extended release, Carbatrol, carbenicillin, Carbomix, carboplatin, Carboplatin Novaplus, Carbosorb X, Cardioquin, Castiva Cooling, cefamandole, cefazolin, cefixime, cefmetazole, cefoperazone, Cefotan, cefotetan, cefoxitin, ceftriaxone, Celebrex, celecoxib, Celestone, Celestone Phosphate, Celestone Soluspan, Celexa, Cell-U-Jec, Cenestin, Centrum Singles-Vitamin E, Ceprotin, Cerebyx, Char-Flo with Sorbitol (obsolete), Charcoaid, Charcoaid 2000, Charcoaid-G, charcoal, Charcoal Plus DS, Charcocaps, Charcodote, Charcodote (obsolete), Charcotabs, Charcotrace, Chem Mart Nasal Decongestant Capsule, Chem Mart Tramadol, Childrens Kaopectate, Chloracol, chloral hydrate, chloramphenicol, Chloromycetin, Chloromycetin Sodium Succinate, chlorotrianisene, chlorproPAMIDE, Cholestin (obsolete), cholestyramine, Cholestyramine Light, choline salicylate, Choloxin, chondroitin, cimetidine, cisapride, citalopram, Claravis, Climara, Climaval, Climodien, Clinacort, Clinagen LA 40, Clinalog, clomiPRAMINE, clopidogrel, Clopine, cloxacillin, Cloxapen, clozapine, Clozapine Synthon, Clozaril, Co-Q10, coenzyme q10, Colazal, Cold & Hot Pain Relief, colesevelam, Colocort, conjugated estrogens, conjugated estrogens synthetic A, conjugated estrogens synthetic B, conjugated estrogens topical, Cooling Gel, Copegus, Cort-K, Cortastat, Cortastat 10, Cortastat LA, Cortef, Cortenema, corticorelin, corticotropin, Cortifoam, cortisone, Cortone Acetate, Cortrosyn, cosyntropin, Cotolone, cranberry, Crestor, Crixivan, cyclophosphamide, cyclophosphamide lyophilized, cycloSPORINE, Cymbalta, Cytadren, Cytomel, Cytoxan, Cytoxan Lyophilized, Dalalone, Dalalone D.P., Dalalone L.A., darunavir, Darvon, Darvon-N, De-Sone LA, Decadron, Decadron 5-12 Pak, Decadron Phosphate, Injectable, Decadron-LA, Decaject, Decaject L.A., Declomycin, Deep Down Pain Relief, Dehydrated Alcohol, delavirdine, Delestrogen, DELIDOSE, Deltasone, demeclocycline, Denzapine, Dep Gynogen, Dep Medalone 80, Depacon, Depakene, Depakote, Depakote ER, Depakote Sprinkles, Depmedalone, Depo-Estradiol, Depo-Medrol, Depo-Predate (obsolete), Depogen, Depoject-80, Depopred, Dermestril, Dermestril - Septem, DERMESTRIL SEPTEM, desipramine, desvenlafaxine, Detrol, Detrol LA, devil's claw, Dexacen-4, Dexacort Phosphate in Respihaler, Dexacort-LA, Dexacorten, dexamethasone, dexamethasone acetate, Dexamethasone Intensol, dexamethasone sodium phosphate, Dexasone, Dexasone LA, dexfenfluramine, Dexone, Dexone LA, DexPak 10 Day Taperpak, DexPak 13 DayTaperpak, Dexpak Jr. Taperpak, dextrothyroxine sodium, Di-Phen, DiaBeta, Diabinese, diclofenac ophthalmic, diclofenac topical, dienestrol topical, diethylstilbestrol, Dilantin, Dilantin Infatabs, Dilantin Kapseals, Dilantin-125, Dioval 40, Dioval XX, dipyridamole, Disalcid, Dispermox, disulfiram, divalproex sodium, divalproex sodium extended release, Divigel 0.25 mg/packet, Divigel 0.5 mg/packet, Divigel 1 mg/packet, Doans Pills, Doans Pills Extra Strength, dong quai, Doryx, doxepin, doxepin topical, Doxy Lemmon, Doxy-Caps, Doxy-D, doxycycline, doxycycline hyclate, doxycycline monohydrate, Dromadol SR, Dromadol XL, duloxetine, Dura-Estrin, duraflex comfort, Duragen, Duralone, Dynacin, E Pherol, E-400 Clear, efavirenz, Effexor, Effexor XR, Elavil, Elestrin, Elleste Solo, Elmiron, Eltroxin, Emcyt, Emend, Emend 3-Day, Emend for Injection, Emtet-500, Endep, Enjuvia, EPA Fish Oil, Epitol, epoprostenol, Equetro, Ergamisol, erlotinib, escitalopram, Esclim, esomeprazole, esterified estrogens, Estinyl, Estra-C, Estra-V 40, Estrace, Estrace Vaginal Cream, Estraderm, Estraderm MX, Estraderm TTS, estradiol, estradiol acetate, estradiol benzoate, estradiol cypionate, ESTRADIOL G GAM, Estradiol Patch, estradiol topical, estradiol valerate, Estradot, Estradot 100, Estradot 37.5, Estradot 50, Estradot 75, Estragyn 5, Estragyn LA 5, estramustine, ESTRAPATCH, Estrasorb, ESTREVA, Estring, Estro-A, Estro-Cyp, Estro-L.A., Estro-Span 40, Estrofem, Estrogel, estrone, Estrone AQ, estropipate, estropipate topical, ethanol, ethinyl estradiol, ethotoin, Ethyl Alcohol, Etopophos, etoposide, etoposide phosphate, etravirine, Eucalyptamint, Eucarbon, Eulexin, Euthyrox, Eutroxsig, Evamist, Evorel, Evotrox, exenatide, Exocaine Plus, EZChar, Fasigyn, FazaClo, felbamate, Felbatol, Fematrix, Fempatch, Femring, FEMSEPT, FemSeven, FemSeven Sequi Phase I, FemTab, Femtrace, Femtran, fenfluramine, Fish Oil, FIV-ASA, Flector Patch, Flex-All 454, Flex-All 454 Maximum Strength, Flex-All 454 Ultra Plus, Flo-Pred, Flolan, Florinef Acetate, Fluarix, fludrocortisone, FluLaval, FluMist, Fluogen, fluoxetine, fluoxetine extended release, flurbiprofen ophthalmic, Flushield, FluShield (obsolete), flutamide, Fluvirin, Fluvirin Preservative-Free, fluvoxamine, fluvoxamine extended release, Fluzone, Fluzone PFS, Fluzone Preservative-Free, Fluzone Preservative-Free Pediatric, Fluzone SV, Fluzone WV, Fortovase, fosamprenavir, fosaprepitant, fosphenytoin, Fosrenol, Fulvicin P/G, Fulvicin U/F, garlic, Garlic Oil, gefitinib, gemcitabine, Gemzar, Gengraf, GenRx Tramadol, Geocillin, ginger, Ginger Root, Ginger(obs), gingko, gingko biloba, ginkgo, ginkgo biloba, ginseng, glimepiride, glipiZIDE, glipiZIDE extended release, GlipiZIDE XL, glucosamine, Glucotrol, Glucotrol XL, glyBURIDE, glyBURIDE micronized, Glynase PresTab, Gordogesic, Grifulvin V, Gris-PEG, Grisactin 250, Grisactin 500, Grisactin Ultra, Griseofulicin, Griseofulvic, griseofulvin, griseofulvin microsize, griseofulvin ultramicrosize, GRX Analgesic Balm, Gynodiol, Gynogen LA 20, Healthstream Activated Charcoal, Heet Analgesic Liniment, Heet Triple Action, hemin, Herceptin, Hexadrol, Hexadrol Phosphate, Hofels Ginger One A Day, horse chestnut, Hydeltra-T.B.A., Hydeltrasol, hydrocortisone, hydrocortisone acetate, hydrocortisone cypionate, hydrocortisone hemisuccinate, hydrocortisone sodium phosphate, Hydrocortisone Sodium Succinate, Hydrocortone, Hydrocortone Phosphate, hypericum perforatum, Icar Prenatal Essential Omega-3, Icy Hot, Ifex, ifosfamide, iloprost, imipramine, imipramine pamoate, Imuran, indinavir, Infergen, influenza virus vaccine, inactivated, influenza virus vaccine, live, trivalent, INH, Insta-Char, Intelence, interferon alfa-2a, interferon alfa-2b, interferon alfa-n1, interferon alfa-n3, interferon alfacon-1, interferon beta-1a, interferon beta-1b, interferon gamma-1b, Intron A, Invirase, Iodotope, Iressa, Isoject Permapen, isoniazid, isotretinoin, itraconazole, J.L. Bragg's Medicinal Charcoal, K-Pek, Kao-Tin Bismuth Subsalicylate Formula, Kaopectate, Kaopectate Anti-Diarrheal Upset Stomach Reliever, Kaopectate Extra Strength, Kapectolin (New Formula), Karbons, Kefzol, Ken-Jec 40, Kenaject-40, Kenalog-10, Kenalog-40, Kestrone 5, Ketek, Ketek Pak, ketoconazole, ketorolac ophthalmic, Key-Pred, Key-Pred SP, Konakion, L THYROXINE ROCHE, l-thyroxine, Lamisil, lansoprazole, lanthanum carbonate, Larapam SR, Ledercillin VK, leflunomide, lepirudin, levamisole, Levo-T, Levotabs, Levotec, Levothroid, LEVOTHYROX, levothyroxine, Levoxyl, Lexapro, Lexiva, Lialda, liothyronine, liotrix, LiQsorb, Liqui-Char, Liqui-Char with Sorbitol (obsolete), Liquid Co-Q10, Liquid Pred, Lopurin, lovastatin, lovastatin extended release, Lovaza, Luvox, Luvox CR, Lysodren, M-PREDNISolone, Maalox Total Stomach Relief, Magan, magnesium salicylate, Mandol, Marine Lipid Concentrate, Marthritic, MaxEPA, Maximum Strength Stress, Med-Jec-40, Medicoal, Medicort, Medidex, Medidex LA, Medidiol 10, Medipred, Medralone, Medralone 40, Medralone 80, Medrol, Medrol Dosepak, Mefoxin, Menaval-20, Menest, MENOREST, Menorest Patch, Menostar, Menthol C, Mentholatum Deep Heating, Mentholatum Ointment (obsolete), Mentholatum Pain Gel, Mentholatum Pain Patch, mephenytoin, Mephyton, mercaptopurine, Meridia, mesalamine, mesalamine extended release, Mesantoin, Mesasal Enteric Coated, mesna, Mesnex, mestranol, Methacort 40, Methacort 80, methicillin, methimazole, methyl salicylate topical, Methylcotol, Methylcotolone, Methylpred DP, methylPREDNISolone, methylPREDNISolone acetate, MethylPREDNISolone Dose Pack, methylPREDNISolone sodium succinate, Meticorten, MetroCream, MetroGel, MetroGel-Vaginal, MetroLotion, metronidazole topical, Mevacor, mezlocillin, Mi-Omega, Mi-Omega NF, Micronase, Millipred, Mineral Ice(obsolete), Minit Rub, Minocin, Minocin PAC, minocycline, minocycline extended release, mitotane, Mobidin, modafinil, monascus, Mono-Gesic, Monodox, Moxilin, MST, Muscle Rub, Mycifradin, Myrac, nateglinide, Nature-Throid, nelfinavir, Neo-Fradin, Neo-Tab, neomycin, Neoral, Neosar, nepafenac ophthalmic, Nephro-Derm, Nevanac, nevirapine, Nexavar, Nexium, Nexium I.V., nilotinib, Nizoral, Norit, Noritate, Norpramin, Northyx, nortriptyline, Norvir, Norvir Soft Gelatin, Nuprin Backache Caplet, Nutr-E-Sol, NutraDrops, Nuvelle TS Phase I, Nuvigil, Nydrazid, Ocufen, Oesclim, Oestradiol, Oestradiol Implants, OESTRODOSE, OESTROGEL, Oestrogel Pump-Pack, Ogen 0.625, Ogen 1.25, Ogen 2.5, Ogen Vaginal Cream, Omacor, omega-3 polyunsaturated fatty acids, Omega-500, omeprazole, Omnipen, Omnipen-N, Oncaspar, Optimum Charcoal, Oracea, Orapred, Orapred ODT, Orasone, Oraxyl, Organon Oestradiol, Orinase, orlistat, OROMONE, Oroxine, Ortho Dienestrol, Ortho-Est, oxacillin, oxytetracycline, Pain Stick Arthritis Formula, Pain Stick Sports Formula, PainZone, Pamelor, Panalgesic Gold, Panhematin, Panmycin, pantoprazole, Paraplatin, paroxetine, paroxetine extended release, paroxetine mesylate, Paxil, Paxil CR, PC Pen VK, PCN, Pediapred, Peganone, pegaspargase, Pegasys, peginterferon alfa-2a, peginterferon alfa-2b, PegIntron, PegIntron Redipen, Pen-V, Pen-Vee K, Penetran Pain Relieving, penicillin, penicillin G aqueous, penicillin G benzathine, penicillin G benzathine-penicillin G procaine, penicillin G potassium, penicillin G procaine, penicillin G sodium, penicillin V potassium, Pentasa, pentosan polysulfate sodium, Peptic Relief, Pepto-Bismol, Pepto-Bismol Maximum Strength, Periostat, Persantine, Persantine IV, Pexeva, Pfizerpen, Pharmacia Carbosorb, phenyl salicylate, Phenytek, phenytoin, phenytoin extended release, Phenytoin Sodium, Prompt, phytonadione, Pink Bismuth, piperacillin,