This medication is typically used only once a day. However, your pharmacist may have suggested a different schedule that is more appropriate for you. You should take this medication at approximately the same time each day.

It must be used regularly and continuously to maintain its beneficial effects. Be sure to keep an adequate supply on hand. 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.

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 make your skin more sensitive to UV rays (e.g., sunlight, tanning lamps) - avoid exposure to UV rays as much as possible and protect yourself when out in the sun;

• it may cause dizziness - use caution when getting up from a lying or sitting position and use caution if driving;
• it may alter your sense of taste;
• on occasion, it may cause a dry cough -- contact your pharmacist or doctor if it becomes bothersome.

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.