Compare Videx vs. Trizivir

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

Works with other medicines to treat HIV infection.

Videx (didanosine) is not a first-choice treatment for HIV because there are newer medications that work well and are easier to take. However, Videx (didanosine) can be an option if other HIV medications haven't worked for you.

Treats HIV infections.

Trizivir (abacavir / lamivudine / zidovudine) is a convenient 3-in-1 medication used to treat HIV infections. It's not a first choice medication, but it can be an option for you if other HIV medications have not controlled your viral load.

  • Videx (didanosine) is available in pill or liquid form.
  • Videx (didanosine) can be used in children 2 weeks of age and older.
  • Videx (didanosine) can be taken either once or twice daily.
  • Trizivir (abacavir / lamivudine / zidovudine) combines three different HIV medications into one tablet.
  • Is available in generic form.
  • Doesn't affect your kidneys or bone density like some other HIV medications.
  • Videx (didanosine) cannot be taken by itself. It must be used with other HIV medications to treat HIV.
  • People commonly experience side effects such as diarrhea, nerve pain, and nausea when taking Videx (didanosine).
  • Videx (didanosine) should be used with caution if you have liver or kidney issues.
  • Videx (didanosine) shouldn't be taken with allopurinol or ribavirin. If you are taking these medicines, let your doctor know.
  • Trizivir (abacavir / lamivudine / zidovudine) isn't a first choice medication for treating HIV.
  • Trizivir (abacavir / lamivudine / zidovudine) can increase your risk of heart attack.
  • This is not a great medication to take if you have liver or kidney problems.
  • Severe allergic reactions have happened in some patients taking Trizivir (abacavir / lamivudine / zidovudine). Your doctor will test you for any possible risk of reaction before starting Trizivir (abacavir / lamivudine / zidovudine).
Used for
Dosage forms
  • Delayed release Pill
  • Liquid
  • Pill
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Side effects
6possible side effects
  • Diarrhea
  • Nerve pain
  • Nausea
  • Headache
  • Rash
  • Vomiting
See more detailed side effects
13possible side effects
  • Nausea
  • Headache
  • Malaise and fatigue
  • Nausea and vomiting
  • Allergic reaction
  • Diarrhea
  • Fever and/or chills
  • Depressive disorders
  • Musculoskeletal pain
  • Skin rashes
  • Ear/nose/throat infections
  • Viral respiratory infections
  • Anxiety
See more detailed side effects
Risks and risk factors
  • Pancreatitis
    • History of pancreatic issues
    • Alcohol consumption
    • Concomitant use with Zerit (stavudine)
    • Kidney problems
  • Lactic acidosis & severe liver damage
  • Nerve pain
    • Advanced HIV disease
    • History of peripheral neuropathy
    • Taking other medications that also cause peripheral neuropathy
  • Retinal changes
  • Fat redistribution
    • HIV treatment
  • Immune reconstitution syndrome
    • HIV
    • Exposure to other infections
    • Start of a new HIV medication
    • Change in HIV therapy
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  • Severe allergic reaction
    • Previous allergic reaction to Trizivir, Triumeq or abacavir
    • Presence of HLA-B*5701 gene
  • Blood and bone marrow problems
    • Advanced HIV
    • Anemia
    • Neutropenia
  • Muscle and kidney damage
    • Extended use of Trizivir (abacavir / lamivudine / zidovudine)
  • Rare, serious condtion
    • Liver disease
    • Women
    • Obesity
  • Worsening hepatitis B infection
    • Hepatitis B Virus infection
  • Immune reconstitution syndrome
    • HIV
    • Exposure to other infections
    • Start of a new HIV medication
    • Change in HIV therapy
See more detailed risks and warnings