Compare Imuran vs. Mercaptopurine

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

Imuran (Azathioprine)

Prescription only
Prevents organ rejection and relieves joint pain and inflammation.

Imuran (Azathioprine) is an effective medication for the treatment of rheumatoid arthritis and transplant rejection, but comes with a heavy list of side effects.

No information currently available
Upsides
  • Imuran (Azathioprine) has proven to be effective in the treatment of rheumatoid arthritis.
  • Imuran (Azathioprine) decreases the pain, stiffness, and swelling that most people have with rheumatoid arthritis.
  • You can still get vaccinated for the flu while taking Imuran (Azathioprine).
  • Drinking alcohol is okay while taking Imuran (Azathioprine).
  • Most side effects are temporary.
No information currently available
Downsides
  • If you take Imuran (Azathioprine) for rheumatoid arthritis, you'll likely need to take additional medications to control your symptoms.
  • While taking Imuran (Azathioprine), you will have to get your blood tested once a week for the first month, every other week for the second and third month, and once every month after that.
  • Along with other side effects, your hair may begin to change color or fall out when you first start taking Imuran (Azathioprine), but this is usually temporary.
  • You'll likely have to take additional medications, like methotrexate to keep your rheumatoid arthritis in remission.
No information currently available
Used for
  • Acute lymphoid leukemia
  • Maintenance therapy
  • As part of combination chemotherapy
Dosage forms
  • Pill
  • Pill
  • Liquid
Price
Lowest price near you
$26.85
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Lowest price near you
$38.69
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Reviews
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Side effects
2possible side effects
  • Infections
    20%
  • Leukopenia <2500 cells/mm3
    16%
See more detailed side effects
The Purinethol (Mercaptopurine) FDA package insert doesn’t have numbers about how common side effects are.
Risks and warnings
  • Harm to fetus

    Sexually active men and women

    ...and 2 more risk factors

See more detailed risks and warnings
No information currently available