Possible food and drug interactions with Lo/Ovral – 21

If Lo/Ovral – 21 are taken with certain other drugs, the effects of either could be increased, decreased, or altered. It is especially important to check with your doctor before combining Lo/Ovral – 21 with the following:

• Acetaminophen (Tylenol)
• Amitriptyline (Elavil)
• Ampicillin (Principen)
• Aspirin
• Atorvastatin (Lipitor)
• Barbiturates (phenobarbital, Seconal)
• Carbamazepine (Tegretol)
• Chloramphenicol (Chloromycetin)
• Clofibrate (Questran)
• Clomipramine (Anafranil)
• Cyclosporine (Neoral, Sandimmune)
• Diazepam (Valium)
• Doxepin (Sinequan)
• Fluconazole (Diflucan)
• Glipizide (Glucotrol)
• Griseofulvin (Fulvicin, Gris-PEG)
• HIV protease inhibitor drugs such as Crixivan
• Imipramine (Tofranil)
• Lorazepam (Ativan)
• Metoprolol (Lopressor)
• Modafinil (Provigil)
• Morphine (MS Contin)
• Oxazepam (Serax)
• Penicillin (Veetids, Pen-Vee K)
• Phenylbutazone
• Phenytoin (Dilantin)
• Prednisolone (Prelone, Pediapred)
• Prednisone (Deltasone)
• Primidone (Mysoline)
• Propranolol (Inderal)
• Rifabutin (Mycobutin)
• Rifampin (Rifadin, Rimactane)
• St. John's Wort
• Sulfonamides (Bactrim, Septra)
• Temazepam (Restoril)
• Tetracycline (Sumycin)
• Theophylline (Theo-Dur)
• Topiramate (Topamax)
• Troleandomycin (Tao)
• Vitamin C
• Warfarin (Coumadin)

Remember that Lo/Ovral – 21 may affect tests for blood sugar levels and thyroid function and may cause an increase in blood cholesterol levels.