Generic Name: adefovir dipivoxil
Company: Gilead Sciences
Approval Status: Approved
Generic Version Available: No
FDA-approved for the treatment of chronic hepatitis B infection in persons who are 12 years and older.
- Hepsera was approved by the U.S. Food and Drug Administration for use by adults with chronic hepatitis B in 2002.
- In clinical studies, 53 to 64 percent of participants showed improved liver biopsy results after 48 weeks of therapy.
Adult Dose: One 10 mg tablet daily, with or without food.
Pediatric Dose: Adolescents age 12 years and older: one 10 mg tablet daily, with or without food.
Dosing Info: Optimal treatment length is unknown. Do not change your dose or stop taking Hepsera without talking to your medical provider.
- The most common side effects are weakness, headache, stomach pain, nausea, flatulence (intestinal gas), diarrhea and indigestion. Liver transplant patients may experience additional side effects.
- Hepsera may cause kidney damage, severe liver problems or a serious condition called lactic acidosis (buildup of acid in the blood).
- Risk of HIV-1 resistance in people with unknown HIV-1 infection or in people with untreated HIV-1 infection.
- Before taking this medication, tell your medical provider and pharmacist about any drugs, supplements and herbs you take, whether prescribed, over-the-counter or illicit.
- Hepsera should not be used with other medications that contain Viread or other tenofovir-containing products.
- Additional drug-drug interactions may occur; these are listed in Hepsera’s full prescribing information. Potential interactions are listed at
- There are no adequate, well-controlled studies in pregnant women who have taken Hepsera. Hepsera should be used during pregnancy only if the potential benefit justifies the potential risk to the fetus.
- The safety of breast feeding while taking Hepsera has not been established, and it is recommended that Hepsera be discontinued if breast-feeding.
Co-Pay Program Info: https://www.hepmag.com/basics/hepatitis-b-basics/paying-hepatitis-b-treatment
Patient Assistance Program Info: https://www.hepmag.com/basics/hepatitis-b-basics/paying-hepatitis-b-treatment
Last Reviewed: March 4, 2019