Compare Imuran vs. Cromolyn

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

Imuran (Azathioprine)

Prescription only

Intal (Cromolyn)

Prescription or OTC
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.

Relieves nasal allergy symptoms.

Intal (Cromolyn) is a good option to relieve nasal allergy symptoms when antihistamines aren't working. Good choice for pregnant women.

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.
  • Treats nasal allergy symptoms.
  • Most people don't have many side effects since it works in the nose and doesn't affect the rest of your body.
  • It's a good option for pregnant women. Can also be used for kids 2 years and older.
  • Doesn't make you drowsy or dizzy.
  • No prescription is needed.
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.
  • Needs to be used regularly for at least a week to see any good effects.
  • Can have an unpleasant smell or taste.
  • Can cause headaches, or burning and stinging in your nose.
Used for
Dosage forms
  • Pill
  • Nasal spray
Price
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$26.85
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$14.81
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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 Intal (Cromolyn) 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