It is very important that your doctor check your progress at regular visits to make sure that this medicine is working properly. Blood and urine tests may be needed to check for unwanted side effects.
Using this medicine while you are pregnant can harm your unborn baby. Use an effective form of birth control to keep from getting pregnant. If you think you have become pregnant while using the medicine, tell your doctor right away.
Stop using this medicine and call your doctor right away if you have diarrhea, vomiting, drowsiness, muscle weakness, tremors, unsteadiness, or other problems with muscle control or coordination.
Make sure your doctor knows if you have a heart disorder called Brugada syndrome. Brugada syndrome can be life-threatening and requires immediate medical attention. Call your doctor or the emergency department right away if you have a fast, pounding, or uneven heartbeat; unexplained fainting; lightheadedness; shortness of breath; or troubled breathing after taking this medicine.
Encephalopathic syndrome (brain problem) may occur in patients taking this medicine together with haloperidol (Haldol®). Check with your doctor right away if you have the following symptoms while taking this medicine: a fever, confusion, drowsiness, difficulty with speaking, uncontrolled body movements, and unusual tiredness or weakness.
This medicine may cause some people to become dizzy, drowsy, or less alert than they are normally. Make sure you know how you react to this medicine before you drive, use machines, or do anything else that could be dangerous if you are dizzy or are not alert.
Use extra care in hot weather and during activities that cause you to sweat heavily, such as hot baths, saunas, or exercising. If you have an infection or illness that causes heavy sweating, vomiting, diarrhea, shakiness, or muscle weakness, check with your doctor right away. The loss of too much water and salt from your body could lead to serious side effects from this medicine.
Do not go on a diet to lose weight and do not make a major change in your diet without first checking with your doctor. Improper dieting could cause the loss of too much water and salt from your body and could lead to serious side effects from this medicine.
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.