You should not use this medicine if you have ever had an allergic reaction to acetohydroxamic acid, or if you have kidney disease. You should not use this medicine if you are pregnant or plan to become pregnant during your treatment.
Ask your doctor or pharmacist before using any other medicine, including over-the-counter medicines, vitamins, and herbal products.
Tell your doctor if you are using any vitamin or mineral supplements, especially those that contain iron.
Do not drink alcohol while you are using this medicine. Drinking alcohol while you are using this medicine might cause your skin to become flushed (redness, warmth, and tingling). Call your doctor if the reaction lasts longer than 30 minutes, or if the symptoms are severe.
Using this medicine while you are pregnant can harm your unborn baby. Use an effective form of birth control to keep from getting pregnant. If you think you have become pregnant while using the medicine, tell your doctor right away.
Make sure your doctor knows if you are breast feeding, or if you have a history of kidney disease, anemia, or any other problems with your blood.
Your doctor will need to check your blood at regular visits while you are using this medicine. Be sure to keep all appointments.