Compare Epivir vs. Combivir

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

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Works with other medicines to treat HIV infection or chronic hepatitis B.

Epivir (lamivudine) is a first-choice and commonly used medicine to take together with other HIV medications to treat HIV. It is also an alternative option for treating chronic hepatitis B.

Treats HIV infection

While Combivir (lamivudine / zidovudine) isn't one of the first choices for treating HIV, it can still be an option if other HIV medications aren't working well for you.

Upsides
  • Epivir (lamivudine) can be used with many other HIV options to create a combination that's right for you.
  • Has very minimal interactions with other medications.
  • Available in tablet and liquid form.
  • Can be take once or twice a day. Also available in different combination pills so you don't have to take as many pills per day.
  • Available in cheaper generic form.
  • Combivir (lamivudine / zidovudine) can be taken with or without food.
  • Combivir (lamivudine / zidovudine) can be taken by children and adolescents weighing 30kg (66lbs) or more.
  • Available in generic.
Downsides
  • Cannot take Epivir (lamivudine) by itself to treat HIV.
  • Might need to change dosage based on how well your kidneys function.
  • It is recommended to use other options to treat chronic hepatitis B before choosing Epivir (lamivudine) due to drug resistance.
  • You'll have to be tested for both HIV and hepatitis B, since the dose to treat hepatitis B is lower than the dose for HIV. If you have the lower dose, HIV can be harder to treat if you also have hepatitis B.
  • The liquid version of Epivir (lamivudine) has sugar, so if you have diabetes, your blood sugar levels might change.
  • Combivir (lamivudine / zidovudine) needs to be taken twice daily.
  • Combivir (lamivudine / zidovudine) may cause serious blood, muscle, and liver problems.
  • Combivir (lamivudine / zidovudine) is not recommended if you have kidney damage.
  • Combivir (lamivudine / zidovudine) can cause a lot of side effects, including nausea, vomiting, loss of appetite, headache, and malaise.
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Used for
  • HIV infection
  • Hepatitis B
  • HIV prevention, non-occupational (PEP)
  • HIV prevention, mother-to-child
Dosage forms
  • Pill
  • Liquid
  • Pill
Price
Lowest price
$393.32
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Lowest price
$53.98
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Reviews
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Side effects
3possible side effects
  • Ear, nose, and throat infections
    25%
  • Diarrhea
    14%
  • Sore throat
    13%
See more detailed side effects
20possible side effects
  • Headache
    35%
  • Nausea
    33%
  • Malaise and fatigue
    27%
  • Nose-related problems
    20%
  • Diarrhea
    18%
  • Cough
    18%
  • Nausea and vomiting
    13%
  • Nerve problems
    12%
  • Bone pain
    12%
  • Insomnia and other sleep disorders
    11%
  • Fever or chills
    10%
  • Loss or decrease in appetite
    10%
  • Dizziness
    10%
  • Abdominal pain
    9%
  • Depression
    9%
  • Skin rashes
    9%
  • Muscle pain
    8%
  • Abdominal cramps
    6%
  • Indigestion
    5%
  • Joint pain
    5%
See more detailed side effects
Risks and risk factors
  • Lactic acidosis | Enlarged, fatty liver
    • Liver disease
    • Women
    • Obesity
  • Acute Exacerbation of Hepatitis B Virus (HBV)
    • Hepatitis B virus
  • Different doses available
  • HIV counseling/testing
  • Immune reconstitution syndrome
    • HIV
    • Exposure to other infections
    • Start of a new HIV medication
    • Change in HIV therapy
  • Pancreatitis
See more detailed risks and warnings
  • Blood and bone marrow problems
    • Advanced HIV
    • Anemia
    • Neutropenia
  • Muscle damage
    • Taking Combivir (lamivudine / zidovudine) for a long time
  • Worsening of hepatitis B
    • Hepatitis B virus
  • Lactic acidosis | Enlarged, fatty liver
    • Liver disease
    • Women
    • Obesity
  • Immune reconstitution syndrome
    • HIV
    • Exposure to other infections
    • Start of a new HIV medication
    • Change in HIV therapy
  • Inflammation of the pancreas (pancreatitis)
    • History of pancreatitis
See more detailed risks and warnings
Learn more about Epivir (lamivudine)
Learn more about Combivir (lamivudine / zidovudine)