Before taking glecaprevir and pibrentasvir,
tell your doctor and pharmacist if you are allergic to glecaprevir, pibrentasvir, any other medications, or any of the ingredients in the glecaprevir and pibrentasvir tablets. Ask your pharmacist for a list of the ingredients.
tell your doctor if you are taking atazanavir (Reyataz, in Evotaz) or rifampin (Rifadin, Rimactane, in Rifamate, in Rifater). Your doctor will probably tell you not to take glecaprevir and pibrentasvir if you are taking one of these medications.
tell your doctor and pharmacist what other prescription and nonprescription medications, vitamins, nutritional supplements, and herbal products you are taking or plan to take. Be sure to mention any of the following: carbamazepine (Carbatrol, Epitol, Equetro, Tegretol), cholesterol-lowering medications (statins) such as atorvastatin (Lipitor, in Caduet), fluvastatin (Lescol), lovastatin (Altoprev), pitavastatin (Livalo), pravastatin (Pravachol), rosuvastatin (Crestor), and simvastatin (Zocor, in Simcor, in Vytorin); cyclosporine (Gengraf, Neoral, Sandimmune); dabigatran (Pradaxa); digoxin (Lanoxin); ethinyl estradiol oral contraceptives such as certain ('birth control pills'), patches, hormonal vaginal rings, and other ethinyl estradiol products; certain hormone replacement therapies (HRT); and certain medications for human immunodeficiency virus (HIV) or acquired immunodeficiency syndrome (AIDS) including darunavir (Prezista, in Prezcobix), efavirenz (Sustiva, in Atripla), or lopinavir (in Kaletra). Your doctor may need to change the doses of your medications or monitor you carefully for side effects.
tell your doctor what herbal products you are taking, especially St. John's wort.
tell your doctor if you have any type of liver disease other than hepatitis C. Your doctor may tell you not to take glecaprevir and pibrentasvir.
tell your doctor if you have ever had human immunodeficiency virus (HIV).
tell your doctor if you are pregnant, plan to become pregnant, or are breastfeeding. If you become pregnant while taking glecaprevir and pibrentasvir, call your doctor.