Known interactions

Acanthopanax senticosus, Accubron Syrup, Accurbron, Acetaminophen and Butalbital, Agenerase, Agenerase Oral Solution, Amber Touch-and-Heal, Aminophylline (Theophylline) Injection, Aminophylline Tablets, Amiodarone Injection, Amiodarone Oral, Amlodipine and Atorvastatin, Amobarbital, Amprenavir, Amprenavir Oral Solution, Amytal, Antabuse, Antispasmodic Elixer, Aprepitant, Aquaphyllin, Aquaphyllin Syrup, Asmalix, Asmalix Elixir, Atazanavir, Atorvastatin, Atracurium, Atretol, Atropine, Hyoscyamine, Phenobarbital, and Scopolamine Elixir, Atropine, Hyoscyamine, Phenobarbital, and Scopolamine Oral, Awa, Axocet, Baikal Scullcap, Baikal Skullcap Root, Bellacane SR, Belladonna Alkaloids, Ergotamine, and Phenobarbital Tablets, Bellaspas, Bellergal-S, Breezee Mist Antifungal, Bronkodyl, Bucet, Bupap, Butabarbital, Butabarbital Oral Elixir, Butex Forte, Butisol, Butisol Elixir, Caduet, Calendula, Calendula officinalis, Carbamazepine, Carbamazepine ER, Carbamazepine Suspension, Carbatrol, Carbidopa, Levodopa, Entacapone, Cephadyn, Ci Wu Jia, Cimetidine, Cimetidine Injection, Cimetidine Liquid, Cordarone, Cordarone Injection, Crixivan, Dehydroepiandrosterone, Depakene, Depakene Oral Syrup, Desipramine, Devil's Bush, Devil's Leaf, DHEA, Diflucan Injection, Diflucan Oral, Digitek, Digoxin, Digoxin Injection, Digoxin Liquid, Dilantin, Dilantin Infatab, Dilantin Injection, Dilantin Kapseals, Dilantin-125, Dilor Elixir, Dilor Injection, Dilor Tablets, Disulfiram, Dolgic, Donnatal, Donnatal Elixir, Dopar, Dyphylline Injection, Dyphylline Oral Solution, Dyphylline Tablet, Eleuthero, Eleutherococcus senticosus, Elixomin, Elixomin Elixir, Elixophyllin, Elixophyllin Elixir, Emend, Epitol, Equetro, Ethotoin, Eyebalm, Femizol-M Vaginal Cream, Fluconazole Injection, Fluconazole Oral, Fluvoxamine, Folergot-DF, Fortovase, Fungoid Tincture, Garden Marigold, Ginkgo, Ginkgo Biloba, GL701, Gold Bloom, Golden Marigold, Goldenseal, Ground Raspberry, Hardhay, Holligold, Huang Qin, Hwanggum, Hyosophen Elixer, Hypericum, Hypericum perforatum, INH, INH Oral Syrup, Inderal, Inderal IV, Indinavir, Intraconazole Injection, Invirase, Isoniazid, Isoniazid Injection, Isoniazid Oral Syrup, Itraconazole, Itraconazole Oral Solution, Japanese Silver Apricot, Kaletra, Kaletra Solution, Kava, Kava-Kava, Kawa, Ketoconazole Oral, Ketoconazole Shampoo, Ketoconazole Topical, Kew, Kew Tree, Klamath Weed, L-tryptophan, Lanophyllin, Lanophyllin Elixir, Lanoxicaps, Lanoxin, Lanoxin Injection, Lanoxin Liquid, Larodopa, Levodopa, Lipitor, Lopinavir and Ritonavir, Lopinavir and Ritonavir Oral Solution, Lopressor, Lopressor HCT, Lopressor Injection, Lotrimin AF Aerosol Liquid, Lotrimin AF Aerosol Powder, Lufyllin Elixir, Lufyllin Injection, LufyllinTablets, Luminal Sodium, Lunelle, Luvox, Maidenhair Tree, Marybud, MEL, Mebaral, Medroxyprogesterone acetate and Estradiol cypionate injection, Melatonin, Mephobarbital, Metoprolol and Hydrochlorothiazide, Metoprolol ER, Metoprolol Injection, Metoprolol Oral, Micatin, Micatin Aerosol Liquid, Micatin Aerosol Powder, Miconazole Aerosol Powder/Liquid, Miconazole Topical, Miconazole Vaginal Cream, Miconazole Vaginal Suppository, Millepertuis, MLT, Monistat 3 Vaginal Cream, Monistat 7 Vaginal Cream, Monistat Vaginal Cream, Monistat-7 Vaginal Suppository, Monistat-Derm, Mycobutin, Mysoline, Mysoline Suspension, N-acetyl-5-methoxytryptamine, Nefazodone, Nelfinavir, Nelfinavir Solution, Nembutal Elixir, Nembutal Injection, Nembutal Oral, Nembutal Sodium, Nettle, Nettle Tops, Nizoral Cream, Nizoral Shampoo, Nizoral Tablets, Norcuron, Norpramin, Norvir, Norvir Oral Solution, Nydrazid, Nydrazid Injection, Ogon, Omeprazole capsules, Omeprazole OTC, Omeprazole powder for oral suspension, Orangeroot, Pacerone, Pancuronium, Pavulon, Peganone, Pentobarbital Injection, Pentobarbital Elixir, Pentobarbital Oral, Pentobarbital Suppositories, Phenerbel-S, Phenobarbital, Phenobarbital Elixir, Phenobarbital Injection, Phenytek, Phenytoin, Phenytoin Chewable, Phenytoin Injection, Phenytoin Oral Suspension, Phrenilin Forte, Piper methysticum, Pot Marigold, Prasterone, Priftin, Prilosec, Prilosec OTC, Primidone, Primidone Oral Suspension, Propranolol, Propranolol Injection, Propranolol Oral Solution, Quibron-T Dividose, Quibron-T/SR Dividose, Repan CF, Respbid, Reyataz, Rifabutin, Rifadin, Rifadin Injection, Rifampin, Rifampin Injection, Rifapentine, Rimactane, Ritonavir, Ritonavir Oral Solution, Roman Nettle, Rosin Rose, Russian Root, Saquinavir, Sarisol No.2, Scute, Scutellaria baicalensis, Secobarbital, Seconal, Sedapap, Serzone, Shigoka, Siberian Ginseng, SJW, Slo-bid Gyrocaps, Slo-Phyllin, Slo-Phyllin Gyrocaps, Slo-Phyllin Syrup, Solfoton, Spastrin, Sporanox, Sporanox Injection, Sporanox Oral Solution, St. John's Wort, Stalevo, Stinging Nettle, Sustaire, T-Phyl, Tagamet, Tagamet HB, Tagamet Injection, Tagamet Liquid, Taiga, Tegretol, Tegretol Suspension, Tegretol XR, Tencon, Tetterine, Theo-24, Theo-Dur, Theo-Sav, Theo-X, Theobid Duracaps, Theochron, Theoclear L.A., Theoclear-80, Theoclear-80 Syrup, Theolair, Theolair Injection, Theolair Solution, Theolair SR, Theophylline ER, Theophylline Injection, Theophylline Oral Solution, Syrup, or Suspension, Theophylline Tablets or Capsules, Theospan-SR, Theostat 80, Theostat-80 Syrup, Theovent, Thorny Pepperbush, Tipton Weed, Tonga, Toprol XL, Touch-Me-Not, Tracrium, Tryptophan, Tubocurarine injection, Uni-Dur, Uniphyl, Urtica species, Valproate Sodium Syrup, Valproic Acid Capsules, Valproic Acid Oral Syrup, Vecuronium injection, Viracept, Viracept Solution, Wild Pepper, Wogon, Yagona, Yellowroot, Yinhsing, Zeasorb-AF, Zeasorb-AF Aerosol Powder, Zegerid, Food and alcohol.