Compare Viread vs. Pegasys

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

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Works with other medicines to treat HIV infection. Also treats Hepatitis B Virus.

Viread (tenofovir) is a first-line choice to be used in combination with other medications to treat HIV. Viread (tenofovir) is also a first-line choice in treating HBV.

No information currently available
Upsides
  • Can be used with other medications to prevent HIV infection after an exposure.
  • Taken only once daily, with or without food.
  • There are newer formulations of Viread (tenofovir) available that are safer on your kidneys.
  • If tablets are hard for you to swallow, Viread (tenofovir) is available in a powder that's mixed with soft foods.
No information currently available
Downsides
  • Viread (tenofovir) can't be used on its own to treat HIV infection.
  • Not recommended for patients with kidney damage.
  • Can weaken your bones.
  • Might worsen hepatitis B infections if you suddenly stop taking it.
No information currently available
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Used for
  • Active type B viral hepatitis
  • Chronic Hepatitis C
  • Chronic
  • In patients with compensated liver disease - HIV infection Hepatitis C
  • Chronic
  • Interferon alfa-naive
  • With compensated liver disease
  • Hepatitis C
  • Chronic
  • Interferon alfa/ribavirin nonresponders
Dosage forms
  • Pill
  • Powder
  • Injection
Price
Lowest price
$55.72
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Lowest price
$4031.59
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Reviews
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Side effects
1possible side effects
  • Nausea
    9%
See more detailed side effects
The Pegasys (Peginterferon Alfa-2A) FDA package insert doesn’t have numbers about how common side effects are.
Risks and risk factors
  • Lactic acidosis | Enlarged, fatty liver
    • Liver disease
    • Women
    • Obesity
  • Cannot be used to treat Hepatitis B Virus (HBV)
    • Hepatitis B Virus infection
  • Mood and behavior changes
    • History of mental illness
  • Decreased bone mineral density
    • History of bone fractures
    • Osteoporosis
  • Kidney damage
    • History of kidney damage
    • Concurrent use of other drugs known to harm kidneys
  • Hypersensitivity (allergic) reactions
    • Prior severe allergic reaction to Viread (tenofovir) or any of its individual drug components.
See more detailed risks and warnings
No information currently available
Learn more about Viread (tenofovir)
Learn more about Pegasys (Peginterferon Alfa-2A)