Precautions While Using This Medicine

Your doctor should check your progress at regular visits to make sure that this medicine does not cause unwanted effects.

If you will be taking this medicine in large doses for a long time, do not stop taking it without first checking with your doctor . Your doctor may want you to reduce gradually the amount you are taking before stopping completely.

This medicine may cause some people to feel a false sense of well-being or to become dizzy, lightheaded, 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 .

Before you have any medical tests, tell the medical doctor in charge that you are taking this medicine. The results of the metyrapone test may be affected by this medicine.

If you have been using this medicine for a long time and you think you may have become mentally or physically dependent on it, check with your doctor . Some signs of dependence on amphetamines are:

• A strong desire or need to continue taking the medicine.
• A need to increase the dose to receive the effects of the medicine.
• Withdrawal effects (for example, mental depression, nausea or vomiting, stomach cramps or pain, trembling, unusual tiredness or weakness) occurring after the medicine is stopped.