Take this product by mouth as directed. Follow all directions on the product package, or take as directed by your doctor. If you have any questions, ask your doctor or pharmacist.

This medication should only be used as needed, not on a regular basis. Though very unlikely, this medication may be habit-forming. Do not increase your dose, take it more often than directed, or take it regularly for a long time.

If you suddenly stop using this medication, you may have withdrawal symptoms (such as headaches, mental/mood changes such as irritation/nervousness). To help prevent withdrawal, your doctor may lower your dose slowly. Withdrawal is more likely if you have used caffeine for a long time or in high doses. Tell your doctor or pharmacist right away if you have withdrawal.

When used for an extended period, this medication may not work as well. Talk with your doctor if this medication stops working well.

Tell your doctor if your condition lasts, gets worse, or continues to occur again. If you think you may have a serious medical problem, get medical help right away.