Kidneys Home > Azasan

Azasan is given after a kidney transplant to help prevent the body from rejecting the new organ. This generic version of Imuran is also approved to help relieve the symptoms of rheumatoid arthritis. Possible side effects include nausea, infections, and vomiting. This medication comes as a tablet and is taken once or twice daily.

What Is Azasan?

Azasan® (azathioprine) is a prescription medication approved for:
  • Reducing the signs and symptoms of active rheumatoid arthritis
  • Use in combination with other medications to prevent organ rejection after a kidney transplant.
(Click What Is Azasan Used For? for more information on this topic, including possible off-label uses.)

Are There Side Effects?

Just like any medicine, Azasan can cause side effects. However, not everyone who takes the medicine will have problems. In fact, most people tolerate it quite well.
If side effects do occur, in most cases, they are minor and either require no treatment or are treated easily by you or your healthcare provider. Serious side effects are less common.
Some of the most common Azasan side effects include but are not limited to:
  • Leukopenia (low levels of certain white blood cells called leukocytes)
  • Infections
  • Nausea
  • Vomiting.
(Click Azasan Side Effects to learn more, including potentially serious side effects you should report immediately to your healthcare provider.)
Written by/reviewed by:
Last reviewed by: Kristi Monson, PharmD;
Last updated/reviewed:
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