Drug information provided by: Merative, Micromedex®

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

This medicine may increase your risk for heart rhythm problems (eg, QT prolongation). Check with your doctor right away if you or your child have dizziness, fainting, or fast or irregular heartbeat.

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 (eg, St. John's wort) or vitamin supplements.