Precautions

Drug information provided by: Merative, Micromedex®

It is very important that your doctor check your progress at regular visits to make sure this medicine is working properly. Blood tests may be needed to check for unwanted effects.

Using this medicine may increase your risk of having a condition called differentiation syndrome, which may be life-threatening. It may occur as early as 1 day and up to 18 months after starting this medicine. Check with your doctor right away if you start to have a chills, cough, dizziness or lightheadedness, eye pain, fever, general feeling of illness, headache, rapid weight gain, sore throat, swelling in the arms or legs, trouble breathing, unusual tiredness. Your doctor may give you a steroid medicine (eg, dexamethasone) to help treat these symptoms.

Check with your doctor right away if you have dark urine, fatigue, loss of appetite, nausea or vomiting, stomach pain, or yellow eyes or skin. These may be symptoms of a serious liver problem.

Do not take other medicines unless they have been discussed with your doctor. This includes prescription or nonprescription (over-the-counter [OTC]) medicines and herbal or vitamin supplements.