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 .
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 .
Do not take methamphetamine within 14 days of taking an MAO inhibitor such as Eldepryl®, Marplan®, Nardil®, or Parnate®.
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.
Check with your doctor immediately if blurred vision, difficulty in reading, or any other change in vision occurs during or after treatment. Your doctor may want you to have your eyes checked by an ophthalmologist (eye doctor) .
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 .
This medicine may cause slow growth. If your child is using this medicine, the doctor will need to keep track of your child's height and weight to make sure that your child is growing properly .
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 .