Head-to-head comparisons of medication uses, side effects, warnings, and more.
Key takeaways
Tenofovir disoproxil fumarate (Viread)
Descovy (emtricitabine / tenofovir alafenamide)
Tenofovir disoproxil fumarate (Viread)
Descovy (emtricitabine / tenofovir alafenamide)
Summary of Viread vs. Descovy
Summary for Antiretroviral (ARV)
Prescription only
Tenofovir disoproxil fumarate (Viread), also known as TDF, is a first-choice medication that's used as part of an antiretroviral (ARV) regimen for treating human immunodeficiency virus (HIV) infections. It's also a preferred medication used for treating hepatitis B virus (HBV). Tenofovir disoproxil fumarate, the active ingredient in Viread, is also found in Truvada, a combination medication commonly used for HIV PrEP. Tenofovir disoproxil fumarate (Viread) is available as both an oral tablet and a powder that's mixed with soft food. Common side effects include rash, diarrhea, and headache.
Summary for Antiretroviral
Prescription only
Descovy (emtricitabine / tenofovir alafenamide) is a prescription antiretroviral pill used to treat and prevent human immunodeficiency virus (HIV) infection. It's FDA approved for use with other HIV medications to treat HIV in adults and children. It's also approved for pre-exposure prophylaxis (PrEP) to help reduce the risk of getting HIV in adults and teens. You take it once a day by mouth, with or without food. Some common side effects include nausea and diarrhea.
Indications of Viread vs. Descovy
Indications for
•Treatment of HIV infection - people ages 2 years and older
•Treatment of chronic (long-term) hepatitis B - Brand Viread for people ages 2 years and older; generic for people ages 12 years and older
Indications for
•HIV treatment, in combination with other HIV medications - adults and children
•Prevention of HIV infection (PrEP) - adults and teens
Pros and Cons of Viread vs. Descovy
Pros and Const for Antiretroviral (ARV)
Pros
•Can treat both HIV and HBV infections
•Only taken once a day
•Available in a powder form that can be mixed with soft foods for people who have difficulty swallowing pills
•Tablet form is available as a lower-cost generic medication
Cons
•Requires regular blood work and lab tests to make sure your liver and kidneys are healthy
•Can worsen hepatitis B if stopped all of a sudden
•More likely to cause bone problems compared to similar medications