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. Your doctor will do blood tests to check your liver before you start taking this medicine and at month 3, month 6, and month 9 after you start taking this medicine.

Do not use this medicine if you are also using cimetidine (Tagamet®), fluvoxamine (Luvox®), or mexiletine (Mexitil®).

Check with your doctor right away if you have nausea, pain in the upper stomach, vomiting, or yellow eyes or skin. These could be symptoms of a serious liver problem.