What each one is for, how to take it, side effects and warnings, side by side from the official labels.
| Emtricitabine | Tenofovir Alafenamide Fumarate | |
|---|---|---|
| What it is | An antiviral | An antiviral |
| Used for | Emtricitabine is indicated in combination with other antiretroviral agents for the treatment of HIV-1 infection. Emtricitabine, a nucleoside analog HIV-1 reverse transcriptase inhibitor, is indicated in combination with other antiretroviral agents for the trea… | is indicated as a complete regimen for the treatment of human immunodeficiency virus type 1 (HIV-1) infection in adults and pediatric patients weighing at least 14 kg: who have no antiretroviral treatment history or to replace the current antiretroviral regime… |
| Usual adult dose | Adult Patients (18 years of age and older) : Emtricitabine capsules: One 200 mg capsule administered once daily orally. | Adults and pediatric patients weighing at least 25 kg: One tablet containing 50 mg BIC, 200 mg FTC, and 25 mg TAF taken once daily with or without food. |
| Children | Pediatric Patients (3 months through 17 years of age) : Emtricitabine capsules: For children weighing more than 33 kg who can swallow an intact capsule, one 200 mg capsule administered once daily orally. | Recommended dosage in pediatric patients weighing at least 14 kg to less than 25 kg: One tablet containing 30 mg BIC, 120 mg FTC, and 15 mg TAF taken once daily with or without food. |
| Prescription (U.S.) | Yes | Yes |
| Common side effects | The following adverse reactions are discussed in other sections of the labeling: Severe Acute Exacerbation of Hepatitis B in Patients Coinfected with HIV-1 and HBV [see Warnings and Precautions ( 5.1 )] . Immune Reconstitution Syn… | The following adverse reactions are discussed in other sections of the labeling: Severe Acute Exacerbations of Hepatitis B [see Warnings and Precautions (5.1) ] . Immune Reconstitution Syndrome [see Warnings and Precautions (5.3)… |
| Serious warning | HEPATITIS B Severe acute exacerbations of hepatitis B (HBV) have been reported in patients who are coinfected with HIV-1 and HBV and have discontinued e mtricitabine. Hepatic function should be monito… | HEPATITIS B Severe acute exacerbations of hepatitis B have been reported in patients who are coinfected with HIV-1 and HBV and have discontinued products containing emtricitabine (FTC) and/or tenofovi… |
| Pregnancy | 8.1 Pregnancy Pregnancy Exposure Registry There is a pregnancy exposure registry that monitors pregnancy outcomes in women exposed to emtricitabine during pregnancy. Healthcare providers are encourage… | 8.1 Pregnancy Pregnancy Exposure Registry There is a pregnancy exposure registry that monitors pregnancy outcomes in women exposed to BIKTARVY during pregnancy. Healthcare providers are encouraged to… |
From the official U.S. labels. Brands and strengths differ between countries.
Neither official label mentions the other. That does not prove they are safe together: ask a pharmacist, and use the free interaction checker.
Check them togetherEmtricitabine is an antiviral and Tenofovir Alafenamide Fumarate is an antiviral. Emtricitabine is used for: Emtricitabine is indicated in combination with other antiretroviral agents for the treatment of HIV-1 infection. Emtricitabine, a nucleoside analog HIV-1 reverse transcriptase inhibitor, is indicated in combination with other antiretroviral agents for the trea… Tenofovir Alafenamide Fumarate is used for: is indicated as a complete regimen for the treatment of human immunodeficiency virus type 1 (HIV-1) infection in adults and pediatric patients weighing at least 14 kg: who have no antiretroviral treatment history or to replace the current antiretroviral regime…
Neither official label mentions the other. That does not prove they are safe together: ask a pharmacist, and use the free interaction checker.
It depends on what you are treating, your health and other medicines. Your doctor or pharmacist can tell you which one suits you; this page shows what each official label says.