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Compare Vemlidy vs. Videx

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

Key takeaways

Tenofovir alafenamide (Vemlidy) and didanosine (Videx) are both antiretroviral (ARV) medications that belong to the nucleoside reverse transcriptase inhibitor (NRTI) class. They are used to treat viral infections, but they target different viruses. Tenofovir alafenamide is FDA-approved for treating hepatitis B virus (HBV) in people ages 6 and older, while didanosine was used for treating human immunodeficiency virus (HIV) before it was discontinued. Vemlidy is taken once daily with food, whereas Videx was also taken orally but is no longer available in the U.S. Vemlidy is only available as a brand-name medication, while Videx had no generic versions before being discontinued. Common side effects of Vemlidy include headache, stomach pain, and cough, while Videx had serious side effects that limited its use. Vemlidy can interact with certain medications like NSAIDs, which can increase the risk of kidney damage, whereas Videx had interactions with other HIV ARVs.

  • Vemlidy (tenofovir alafenamide)
    Didanosine (Videx)
  • Vemlidy (tenofovir alafenamide)
    Didanosine (Videx)

  • Summary of Vemlidy vs. Videx

    Summary for Antiretroviral (ARV)
    Prescription only

    Vemlidy (tenofovir alafenamide), also known as TAF, is a first-choice medication for treating hepatitis B virus (HBV) for adults and children ages 6 years and older weighing at least 55 lbs. Tenofovir alafenamide is also found in combination with other antiretrovirals in medications such as Biktarvy to treat human immunodeficiency virus (HIV). Vemlidy (tenofovir alafenamide) is taken by mouth, typically once daily. Some of the more common side effects of Vemlidy (tenofovir alafenamide) include headache, stomach pain, and cough.

    Summary for HIV ARV

    Didanosine (Videx) was one of the first HIV antiretroviral (ARV) medications approved by the FDA. It has a lot of serious side effects that have limited its use in recent years and is no longer available in the U.S.

  • Indications of Vemlidy vs. Videx

    Indications for
    •Hepatitis B virus (HBV) in people ages 6 years and older weighing at least 55 lbs
    Indications for

  • Pros and Cons of Vemlidy vs. Videx

    Pros and Const for Antiretroviral (ARV)
    Pros
    •A first-choice medication to treat hepatitis B
    •Only taken once a day
    •Not as harmful to your kidneys and bones compared to Viread (tenofovir disoproxil fumarate)
    •Can be taken by most people with kidney problems
    Cons
    •Can't take Vemlidy (tenofovir alafenamide) alone if you're co-infected with both HIV and hepatitis B
    •Currently only available as brand-name medication
    •Must be taken with food
    •Can cause worsening of hepatitis B if stopped all of a sudden
    Pros and Const for HIV ARV
    Pros
    Cons

  • Common Side Effects of Vemlidy vs. Videx

    Common Side Effects for
    •Headache (12%)
    •Stomach pain (9%)
    •Cough (8%)
    •Back pain (6%)
    •Tiredness (6%)
    •Nausea (6%)
    Common Side Effects for

  • Warnings of Vemlidy vs. Videx

    Common Side Effects for
    •Worsening of hepatitis B
    •Hepatitis B and HIV coinfection
    •Kidney problems
    •Liver problems
    Common Side Effects for

  • Prices with our coupons for Vemlidy vs. Videx

    Learn more about Vemlidy
    Learn more about Didanosine

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