Drug information provided by: IBM Micromedex
It is very important that your doctor check your progress at regular visits to make sure this medicine is working properly and to check for unwanted effects.
Contact your doctor right away if you feel dizzy or faint, or have a fast, pounding, or uneven heartbeat. Make sure your doctor knows if you or anyone in your family has ever 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 (eg, St. John's wort) or vitamin supplements.