Compare Emtriva vs. Viread

Head-to-head comparisons of medication uses, side effects, ratings, and more.

Emtriva
(Emtricitabine)

Viread
(Tenofovir)

Works with other medicines to treat HIV infection. emtricitabine is currently one of the most popular drugs within the Nucleoside Reverse Transcriptase Inhibitor (NRTI) drug class.Works with other medicines to treat HIV infection. Also treats Hepatitis B Virus. tenofovir can be a good choice to take within the Nucleoside Reverse Transcriptase Inhibitor (NRTI) drug class. It may not be the best choice though for people with kidney problems.
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Reviews & ratings
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Side effects
EmtrivaViread

We haven’t found good data for Emtriva side effects.

FDA side effect reports for Emtriva »

We haven’t found good data for Viread side effects.

FDA side effect reports for Viread »
How it works
EmtrivaViread
emtricitabine stops the replication of the human immunodeficiency virus (HIV) within important cells of the body by preventing the virus from taking over normal functions of the cell for its own purposes.tenofovir stops the replication of the human immunodeficiency virus (HIV) within important cells of the body by preventing the virus from taking over normal functions of the cell for its own purposes.
Type of medication
EmtrivaViread
Coming soon.
Coming soon.
Available as
EmtrivaViread
  • Pill
  • Liquid
  • Pill
  • Liquid
Used for (click to learn more)
EmtrivaViread
  • HIV infection
  • HIV infection
Risk factors for serious side effects
EmtrivaViread
  • Women
  • Obesity
  • Liver disease
    • HIV
    • Exposure to other infections
    • Start of a new HIV medication
    • Change in HIV therapy
    • HIV treatment
    Detailed Emtriva (Emtricitabine) risks & warnings »
    • Women
    • Obesity
    • Liver disease
      • Kidney damage
      • Prior bone fractures
      • Osteoporosis
      • HIV
      • Exposure to other infections
      • Start of a new HIV medication
      • Change in HIV therapy
      • HIV treatment
      Detailed Viread (Tenofovir) risks & warnings »
      Pregnancy category
      EmtrivaViread
      BFDA pregnancy category (Probably safe)

      Research studies with animals haven’t found a risk to unborn babies, but it hasn’t been properly studied in humans.

      See the FDA package insert
      BFDA pregnancy category (Probably safe)

      Research studies with animals haven’t found a risk to unborn babies, but it hasn’t been properly studied in humans.

      See the FDA package insert
      Alcohol
      No specific alcohol-related info.No specific alcohol-related info.
      Food
      • Take with or without food once a day.
      • The tenofovir powder can't be mixed in a liquid, so mix into soft food like applesauce and yogurt.
      • Take tenofovir once a day, with or without food.
      Kidneys and liver
      • emtricitabine is removed from the body by the kidneys, so the dose of emtricitabine needs to be lowered if you have any kidney problems.
      • emtricitabine can cause this rare but life-threatening condition. Symptoms include deep and rapid breathing, nausea, vomiting, and stomach pain. This is a medical emergency and you should get help right away. Baseline blood work for kidney and liver function are helpful to see if you can use emtricitabine. It may not be a good choice for people with liver problems.
      • The dose of tenofovir depends on how your kidneys work. It is really important to consistently monitor them with your doctor.
      • Don't take other drugs that can hurt your kidneys while taking tenofovir without talking to your doctor. That sadly includes non-steroidal anti-inflammatory drugs (NSAIDs), like aspirin, Advil, and Aleve.
      • Work with your doctor to monitor your kidney function and bone mineral density regularly.
      • tenofovir can cause this rare but life-threatening condition. Symptoms include deep and rapid breathing, nausea, vomiting, and stomach pain. This is a medical emergency and you should get help right away. Baseline blood work for kidney and liver function are helpful to see if you can use tenofovir. It may not be a good choice for people with liver problems.
      • tenofovir is removed from the body by the kidney. Kidney (renal) damage, including cases of renal failure and Fanconi syndrome (injury to the tubes inside of the kidney), has been reported with the use of tenofovir. Your doctor must continually monitor the function of your kidneys while you are taking tenofovir.
      Sex
      No specific sex-related info.No specific sex-related info.
      Sleep
      No specific sleep-related info.No specific sleep-related info.
      Weight
      No specific weight-related info.No specific weight-related info.
      Upsides and benefits
      EmtrivaViread
      • Take with or without food once a day.
      • emtricitabine can be taken as a capsule or liquid.
      • The emtricitabine oral solution can be stored for up to 3 months in the refrigerator.
      • emtricitabine is contained in the following combination products: Atripla, Complera, Stribild, and Truvada.
      • Take tenofovir once a day, with or without food.
      • For people who can't swallow the tablet, take the powder instead.
      • tenofovir is used for HIV in kids 2 years and older, and chronic hepatitis B in kids 12 years and older.
      Downsides and risks
      EmtrivaViread
      • Can't be taken with any drugs containing lamivudine since both are so similar to each other.
      • emtricitabine is removed from the body by the kidneys, so the dose of emtricitabine needs to be lowered if you have any kidney problems.
      • Kids have a higher chance than adults of skin color changes on their hands and feet while taking emtricitabine.
      • The tenofovir powder can't be mixed in a liquid, so mix into soft food like applesauce and yogurt.
      • The dose of tenofovir depends on how your kidneys work. It is really important to consistently monitor them with your doctor.
      Tips from our pharmacists for people taking the medication
      EmtrivaViread
      • Since emtricitabine is only taken once a day, take it at the same time as your other HIV medications.
      • If being used for kids, the dose of emtricitabine will continue to change as they grow, so keep in touch with their doctor.
      • Keep an eye out for any new symptoms or side effects you may start to feel while taking emtricitabine and report them to your doctor.
      • Don't take other drugs that can hurt your kidneys while taking tenofovir without talking to your doctor. That sadly includes non-steroidal anti-inflammatory drugs (NSAIDs), like aspirin, Advil, and Aleve.
      • People with HIV should be tested for Hepatitis B virus (HBV) before starting tenofovir.
      • Similarly, patients with chronic hepatitis B, should be tested for HIV before starting tenofovir.
      • Decreases in bone mineral density can happen while taking tenofovir.
      • Work with your doctor to monitor your kidney function and bone mineral density regularly.
      Learn more
      More about EmtrivaSide effectsAlternativesFDA package insert
      More about VireadSide effectsAlternativesFDA package insert