Covaryx Drug Interactions

If certain medications, such as protease inhibitors and barbiturates, are taken together with Covaryx, drug interactions may occur. While some interactions can reduce the effectiveness of Covaryx, others could increase your risk for developing side effects. Other medications that may cause drug interactions with Covaryx include cyclosporine, rifamycin antibiotics, St. John's wort, and thyroid medicines.

• Barbiturate medications, including but not limited to:

• Butalbital (Fioricet^®, Fiorinal^®)
• Pentobarbital (Nembutal^®)
• Phenobarbital (Luminal^®)

• Certain seizure medications, such as:

• Carbamazepine (Carbatrol^®, Epitol^®, Equetro™, Tegretol^®)
• Oxcarbazepine (Trileptal^®)
• Phenytoin (Dilantin^®, Phenytek^®)

• Cyclosporine (Gengraf^®, Neoral^®, Sandimmune^®)
• Insulin medications
• Protease inhibitors, such as:

• Amprenavir (Agenerase^®)
• Atazanavir (Reyataz^®)
• Fosamprenavir (Lexiva^®)
• Indinavir (Crixivan^®)
• Nelfinavir (Viracept^®)
• Ritonavir (Norvir^®)

• Rifamycin antibiotics, including rifabutin (Mycobutin^®), rifampin (Rifadin^®), and rifapentine (Priftin^®)
• St. John's wort (Hypericum perforatum)
• Thyroid medications, including:

• Liothyronine (Cytomel^®)
• Liotrix (Thyrolar^®)
• Levothyroxine (Levothroid^®, Levoxyl^®, Synthroid^®, Tirosint^®, Unithroid^®)
• Thyroid (Armor^® Thyroid, Nature-Throid^®)

• Various antibiotics or antifungals, including:

• Clarithromycin (Biaxin^®)
• Erythromycin (Ery-Tab^®)
• Isoniazid (Nydrazid^®)
• Itraconazole (Sporanox^®)
• Ketoconazole (Nizoral^®)
• Miconazole
• Telithromycin (Ketek^®)

• Warfarin (Coumadin^®, Jantoven^®).