Precautions

Drug information provided by: Merative, Micromedex®

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

Contact your doctor right away if you have any changes to your heart rhythm. You might feel dizzy or faint, or you might have a fast, pounding, or uneven heartbeat. Make sure your doctor knows if you had a heart rhythm problem, such as QT prolongation.

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.