Before taking hydroxyurea,
tell your doctor and pharmacist if you are allergic to hydroxyurea, any other medications, or any of the inactive ingredients in hydroxyurea capsules. Ask your pharmacist for a list of the ingredients.
tell your doctor and pharmacist what prescription and nonprescription medications, vitamins, nutritional supplements, and herbal products you are taking or plan to take. Be sure to mention any of the following: certain medications for HIV (human immunodeficiency virus) such as didanosine (Videx) and stavudine (Zerit) and interferon (Actimmune, Avonex, Betaseron, Infergen, Intron A, others).. Your doctor may need to change the doses of your medications or monitor you carefully for side effects.
tell your doctor if you have human immunodeficiency virus (HIV) or acquired immunodeficiency syndrome (AIDS); if you are being treated with or have ever been treated with radiation therapy or cancer chemotherapy; hemodialysis; or if you have or have ever had kidney or liver disease.
tell your doctor if you are pregnant, plan to become pregnant, or are breast-feeding. You should not become pregnant or breast-feed while you are taking hydroxyurea. If you are a female, you should use effective birth control while taking hydroxyurea and for 30 days after treatment. If you are a male, you and your female partner should use effective birth control while taking hydroxyurea and for 1 year after stopping your treatment. Talk to your doctor about birth control methods that you can use during and after your treatment. If you become pregnant while taking hydroxyurea, call your doctor immediately. Hydroxyurea may harm the fetus.