You should not use this medication if you are allergic to cytarabine.

Before receiving cytarabine, tell your doctor if you are allergic to any drugs, or if you have:

• asthma or other breathing disorder; or
• a history of stomach ulcer or bleeding.

If you have any of these conditions, you may need a dose adjustment or special tests to safely use cytarabine.

FDA pregnancy category D. This medication can cause harm to an unborn baby. Do not receive cytarabine without telling your doctor if you are pregnant. Use an effective form of birth control, and tell your doctor if you become pregnant during treatment. It is not known whether cytarabine passes into breast milk or if it could harm a nursing baby. Do not use this medication without telling your doctor if you are breast-feeding a baby.