But in only 8 weeks with mavyret, i was cured. even hanging with friends i worried about my hep c. but in only 8 weeks with mavyret, i was cured. mavyret is the only 8-week cure for all common types of hep c. before starting mavyret your doctor will test if you've had hepatitis b which may flare up and cause serious liver problems during and after treatment. tell your doctor if you've had hepatitis b, a liver or kidney transplant, other liver problems, hiv-1, or other medical conditions, and all medicines you take including herbal supplements. don't take mavyret with atazanavir or rifampin, or...