This medication is typically used only once a day. However, your pharmacist may have suggested a different schedule that is more appropriate for you. It is not advisable to stop using this product suddenly, particularly if you have been on it for several weeks. If you are considering stopping the medication, talk to your pharmacist first.

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, take it as soon as you remember -- unless it is almost time for your next dose. In that case, skip the missed dose. Do not double the next dose to catch up. This medication may be taken with or without food.

Avoid grapefruit and grapefruit juice during your treatment. Grapefruit can seriously affect how this medication works.

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

• it may cause headaches;
• it may cause redness of the face;
• it may cause leg swelling or water retention.

• it may cause dizziness - use caution when getting up from a lying or sitting position and use caution if driving;
• in rare cases it may cause your gums to become swollen or sensitive -- see your dentist for your scheduled check-ups;

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.