Drug Interactions With Emtricitabine and Tenofovir

A number of medications may cause drug interactions with emtricitabine and tenofovir, including adefovir, ganciclovir, and certain protease inhibitors. These interactions could lead to increased blood levels of emtricitabine and tenofovir, which can increase your risk for side effects. Some of the other medications that may cause drug interactions with emtricitabine and tenofovir include atazanavir, cidofovir, and lamivudine products.

 

Drug Interactions With Emtricitabine and Tenofovir: An Overview

Emtricitabine and tenofovir disoproxil fumarate (Truvada®) can potentially interact with several other medicines. Some of the medicines that may lead to drug interactions with emtricitabine and tenofovir include:
 
 
 
  • Cidofovir (Vistide®)
  • Ganciclovir (Cytovene®)
  • Lamivudine products, such as:
 
 
  • Ribavirin (Copegus®, Rebetol®, Ribasphere®, Virazole®)
  • Valacyclovir (Valtrex®)
  • Valganciclovir (Valcyte™).
     
(Drug Interactions With Emtricitabine and Tenofovir Continued: Page 2)
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Written by/reviewed by: Kristi Monson, PharmD; Arthur Schoenstadt, MD
Last reviewed by: Kristi Monson, PharmD;