Before taking ledipasvir and sofosbuvir,
tell your doctor and pharmacist if you are allergic to ledipasvir or sofosbuvir, any other medications, or any of the ingredients in ledipasvir and sofosbuvir tablets. Ask your pharmacist or check the Medication Guide for a list of the ingredients.
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: amiodarone (Nexterone, Pacerone), certain medications for seizures such as carbamazepine (Carbatrol, Epitol, Equetro, Tegretol), oxcarbazepine (Oxtellar XR, Trileptal), phenobarbital, or phenytoin (Dilantin, Phenytek); digoxin (Lanoxin), medications for heartburn and ulcers; medications for HIV taken together such as efavirenz (Sustiva, in Atripla), emtricitabine (Emtriva, in Atripla) and tenofovir (Viread, in Atripla); elvitegravir (Sustiva, in Atripla), cobicistat (Tybost, in Stribild), emtricitabine (Emtriva, in Stribild), and tenofovir (Viread, in Stribild); tenofovir (Viread), atazanavir (Reyataz) and ritonavir (Norvir); tenofovir (Viread), darunavir (Prezista) and ritonavir (Norvir); tenofovir (Viread), lopinavir (in Kaletra), and ritonavir (Norvir, in Kaletra); or tipranavir (Aptivus) and ritonavir (Norvir); rifabutin (Mycobutin); rifampin (Rifadin, Rimactane, in Rifamate, in Rifater); rifapentine (Priftin); rosuvastatin (Crestor); simeprevir (Olysio); sofosbuvir (Solvaldi); and warfarin (Coumadin, Jantoven). Your doctor may tell you not to take ledipasvir and sofosbuvir if you are taking one or more of these medications or may monitor you carefully for side effects.
if you are taking antacids containing aluminum hydroxide or magnesium hydroxide (Maalox, Mylanta, Tums, others), take them 4 hours before or 4 hours after taking ledipasvir and sofosbuvir.
tell your doctor if you are taking a medication for indigestion, heartburn, or ulcers (H2 blockers) such as cimetidine, ranitidine (Zantac), famotidine (Pepcid, in Duexis) or nizatidine. Your doctor may tell you to take them 12 hours before or 12 hours after ledipasvir and sofosbuvir, or at the same time that you take ledipasvir and sofosbuvir.
tell your doctor what herbal products you are taking, especially St. John's wort. You should not take St. John's wort during your treatment with ledipasvir and sofosbuvir.
tell your doctor if you have had a liver transplant or if you have human immunodeficiency virus (HIV). Also, tell your doctor if you have or have ever had any type of liver disease other than hepatitis C, kidney disease, or are on dialysis.
tell your doctor if you are pregnant, plan to become pregnant, or are breastfeeding. If you become pregnant while taking ledipasvir and sofosbuvir, call your doctor.