Acyclovir, atazanavir, and certain protease inhibitors may interact with Viread. Drug interactions such as these can interfere with the kidneys' ability to remove Viread from the blood, which could increase the blood levels of the drug and increase your risk of developing side effects. Other medications that may cause negative Viread drug interactions include ganciclovir, adefovir, and valacyclovir.
Viread® (tenofovir disoproxil fumarate) can potentially interact with several other medicines. Some of the medicines that may lead to Viread drug interactions include:
The following sections explain in detail the potentially negative interactions that can occur when Viread is combined with any of the drugs listed above.