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Emtricitabine

Also known as: Emtricitabine

Human Immunodeficiency Virus Nucleoside Analog Reverse Transcriptase InhibitorNucleoside Reverse Transcriptase Inhibitors

Route: Oral

Check Emtricitabine Interactions →

3 interactions on record⛔ Black Box Warning

Emtricitabine has 3 known drug interactions based on U.S. FDA drug labeling data. Patients taking Emtricitabine should inform their healthcare provider of all current medications — including over-the-counter drugs and supplements — to avoid potentially harmful combinations. Data sourced from OpenFDA and the NIH National Library of Medicine.

Total: 3

Emtricitabine + Famciclovirℹ️Unknown

7 DRUG INTERACTIONS The potential for drug interactions with EMTRIVA has been studied in combination with AZT, indinavir, d4T, famciclovir, and tenofovir DF (TDF).

Emtricitabine + Indinavirℹ️Unknown

7 DRUG INTERACTIONS The potential for drug interactions with EMTRIVA has been studied in combination with AZT, indinavir, d4T, famciclovir, and tenofovir DF (TDF).

Emtricitabine + Tenofovirℹ️Unknown

7 DRUG INTERACTIONS The potential for drug interactions with EMTRIVA has been studied in combination with AZT, indinavir, d4T, famciclovir, and tenofovir DF (TDF).

⛔ FDA Black Box Warning

WARNING: POSTTREATMENT ACUTE EXACERBATION OF 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 monitored closely with both clinical and laboratory follow-up for at least several months in patients who are coinfected with HIV-1 and HBV and discontinue emtricitabine. If appropriate, initiation of anti-hepatitis B therapy may be warranted [see Warnings and Precautions ( 5.1 )] . WARNING: POSTTREATMENT ACUTE EXACERBATION OF HEPATITIS B See full prescribing information for complete boxed warning. Severe acute exacerbations of Hepatitis B (HBV) have been reported in patients coinfected with HIV-1 and HBV who have discontinued Emtricitabine. Hepatic function should be monitored closely in patients coinfected with HIV-1 and HBV who discontinue Emtricitabine. If appropriate, initiation of anti-hepatitis B therapy may be warranted. ( 5.1 )

Contraindications

4 CONTRAINDICATIONS Emtricitabine is contraindicated in patients with previously demonstrated hypersensitivity to any of the components of the products. Emtricitabine is contraindicated in patients with previously demonstrated hypersensitivity to any of the components of the products. ( 4 )

Pregnancy & Breastfeeding

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 encouraged to register patients by calling the Antiretroviral Pregnancy Registry (APR) at 1-800-258-4263. Risk Summary Available data from the APR show no increase in the overall risk of major birth defects with first trimester exposure for emtricitabine (FTC) (2.3%) compared with the background rate for major birth defects of 2.7% in a U.S. reference population of the Metropolitan Atlanta Congenital Defects Program (MACDP) (see Data) . The rate of miscarriage for individual drugs is not reported in the APR. In the U.S., general population, the estimated background risk of miscarriage in clinically recognized pregnancies is 15–20%. In animal reproduction studies, no adverse developmental effects were observed when FTC was administered at exposures ≥60 times that of the recommended daily dose of emtricitabine (see Data) . Data Human Data Based on prospective reports to the APR of exposures to FTC-containing regimens during pregnancy resulting in live births (including over 2,700 exposed in the first trimester and over 1,200 exposed in the second/third trimester), there was no increase between FTC and overall birth defects compared with the background birth defect rate of 2.7% in a U.S. reference population of the MACDP. The prevalence of birth defects in live births was 2.4% (95% CI: 1.9% to 3.1%) with first trimester exposure to FTC-containing regimens and 2.3% (95% CI: 1.5% to 3.3%) with the second/third trimester exposure to FTC-containing regimens. Prospective reports from the APR of overall major birth defects in pregnancies exposed to FTC are compared with a U.S. background major birth defect rate. Methodologic limitations of the APR include the use of MACDP as the external comparator group. Limitations of using an external comparator include differences in methodology and

Data sourced from U.S. FDA drug labeling via openFDA and the NIH National Library of Medicine. For informational purposes only. Always consult your pharmacist or physician.