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Questions?

We're here to help. Please call 1-844-4-EPCLUSA (1-844-437-2587) to speak with an EPCLUSA Educator, Monday through Friday from 9AM to 9PM Eastern Time.

EPCLUSA is a prescription medicine used to treat adults with chronic (lasting a long time) hepatitis C (Hep C) genotype 1, 2, 3, 4, 5, or 6 infection with or without cirrhosis (compensated). In those with advanced cirrhosis (decompensated), EPCLUSA is used with ribavirin.

Important Safety Information

What is the most important information I should know about EPCLUSA?

EPCLUSA can cause serious side effects, including:

  • Hepatitis B virus reactivation: Before starting EPCLUSA treatment, your healthcare provider will do blood tests to check for hepatitis B infection. If you have ever had hepatitis B, the hepatitis B virus could become active again during and after treatment with EPCLUSA. This may cause serious liver problems including liver failure and death. If you are at risk, your healthcare provider will monitor you during and after taking EPCLUSA.

What should I tell my healthcare provider before taking EPCLUSA?

  • If you have: ever had hepatitis B infection, liver problems other than hepatitis C infection; severe kidney problems or are on dialysis; any other medical condition; or if you are pregnant or breastfeeding, or plan to become pregnant or breastfeed. It is not known if EPCLUSA will harm your unborn baby. If you take EPCLUSA with ribavirin, you should also read the ribavirin Medication Guide for important pregnancy-related information.
  • Tell your healthcare provider and pharmacist about all the medicines you take, including prescription and over-the-counter medicines, vitamins, and herbal supplements. EPCLUSA and certain other medicines may affect each other, or may cause side effects. Tell your healthcare provider if you take any medicines containing tenofovir disoproxil fumarate (ATRIPLA®, COMPLERA®, STRIBILD®, TRUVADA®, VIREAD®).

What are the possible side effects of EPCLUSA?

  • Serious side effects may also include: Slow heart rate (bradycardia): EPCLUSA, when taken with amiodarone (Cordarone®, Nexterone®, Pacerone®), a medicine used to treat certain heart problems, may cause slow heart rate. In some cases slow heart rate has led to death or the need for a pacemaker when amiodarone is taken with medicines containing sofosbuvir and another antiviral medicine. Get medical help right away if you take amiodarone with EPCLUSA and get any of the following symptoms: fainting or near-fainting, dizziness or lightheadedness, not feeling well, weakness, extreme tiredness, shortness of breath, chest pains, confusion, or memory problems.

The most common side effects of EPCLUSA include headache and tiredness. When EPCLUSA is used with ribavirin for patients with advanced cirrhosis, side effects also include anemia, nausea, insomnia, and diarrhea.

Please see Important Facts about EPCLUSA including Important Warning.