¿What other drugs will affect Rifampin?

Before taking Rifampin, tell your doctor if you are also using any of the following drugs:

• acetaminophen (Tylenol, others);
• blood thinners such as warfarin (Coumadin);
• barbiturates such as phenobarbital (Luminal, Solfoton), amobarbital (Amytal), secobarbital (Seconal), and butabarbital (Butisol);
• benzodiazepines such as alprazolam (Xanax), diazepam (Valium), lorazepam (Ativan), and temazepam (Restoril);
• beta-blockers such as atenolol (Tenormin), propranolol (Inderal), and metoprolol (Lopressor);
• clofibrate (Atromid-S);
• corticosteroids such as prednisone (Deltasone, Orasone, Meticorten), prednisolone (Delta Cortef, Prelone, others), methylprednisolone (Medrol), and betamethasone (Celestone);
• estrogens such as Premarin, Ogen, Estrace, Menest, Estratab, Ortho-Est, and others;
• heart medicines such as digoxin (Lanoxin), disopyramide (Norpace), quinidine (Quinora, Quinidex, Cardioquin, others), mexiletine (Mexitil), tocainide (Tonocard), verapamil (Calan, Verelan, Isoptin), and enalapril (Vasotec);
• HIV medicines such as delavirdine (Rescriptor), saquinavir (Invirase, Fortovase), ritonavir (Norvir), nelfinavir (Viracept), and others;
• ketoconazole (Nizoral), itraconazole (Sporanox), and fluconazole (Diflucan);
• methadone (Dolophine);
• oral birth control pills such as Triphasil, Ortho-Novum, Ortho-Cyclen, Ortho-Tri-Cyclen, Ovral, Lo/Ovral, Desogen, Nordette, Levora, Levlen, Tri-Levlen, Nelova, Norinyl, Brevicon, Ovcon, Loestrin, Demulen, and others;
• phenytoin (Dilantin), ethotoin (Peganone), and mephenytoin (Mesantoin);
• sulfa medicines such as sulfamethoxazole (Bactrim, Septra, Gantanol, Azo-Gantanol), and sulfisoxazole (Gantrisin, Azo-Gantrisin);
• sulfonylureas such as glipizide (Glucotrol), glyburide (Micronase, Diabeta, Glynase), chlorpropamide (Diabinese), tolbutamide (Orinase), and tolazamide (Tolinase);
• cyclosporine (Sandimmune, Neoral);
• theophylline (Theolair, Theo-Dur, Theochron, Theo-Bid, others).
  

There may be other drugs that can interact with Rifampin. Talk to your doctor and pharmacist before taking any prescription or over-the-counter medicines including vitamins, minerals, and herbal products.