Drug information provided by: Micromedex


Using this medicine while you are pregnant can harm your unborn baby. Women should use an effective form of birth control during treatment and for at least 30 days after the last dose. Men should use an effective form of birth control during treatment and for at least 1 year after the last dose to prevent pregnancy in a sexual partner. If a pregnancy occurs while using the medicine, tell your doctor right away.

Hydroxyurea can temporarily lower the number of white blood cells in your blood which increases the chance of getting an infection. It can also lower the number of platelets, which are necessary for proper blood clotting. If this occurs, there are certain precautions you can take, especially when your blood count is low, to reduce the risk of infection or bleeding:


Using this medicine for a long time may increase your risk of developing leukemia (cancer of the blood) or skin cancer. Use a sunscreen and protective clothing to protect your skin. Talk to your doctor if you have concerns about this risk.

If you had radiation treatment in the past, this medicine might cause your skin to become very red when you have radiation again. Tell your doctor right away if you have darkening or redness of the skin.
