This medication is typically used twice a day. However, your pharmacist may have suggested a different schedule that is more appropriate for you. Important: Follow the instructions on the label. Do not use more of this product, or more often, than prescribed.

It must be used regularly and continuously to maintain its beneficial effects. Be sure to keep an adequate supply on hand. This medication should be swallowed whole. It should not be split, crushed or chewed.

If you forget a dose, simply skip it and then take the next dose at the regularly scheduled time. This medication should be taken without food.

In addition to its desired action, this medication may cause some side effects, notably:

• it may cause headaches;
• it may cause unusual tiredness;
• it may cause nausea or, rarely, vomiting;

• it may cause dizziness - use caution when getting up from a lying or sitting position and use caution if driving;
• it may cause sleep disturbances or insomnia;
• it may cause numbness and a decreased sensitivity to touch.

Each person may react differently to a treatment. If you think this medication may be causing side effects (including those described here, or others), talk to your health care professional. He or she can help you to determine whether or not the medication is the source of the problem.

As with most medications, this product should be stored at room temperature. Store it in a secure location where it will not be exposed to excessive heat, moisture or direct sunlight. Make sure that any leftover portion is disposed of safely. This product must be kept in its original packaging. Do not transfer it to another container.