Your family doctor must check your progress at regular appointments , especially for the first few weeks after you begin taking this drug. A blood test may be taken to help your family doctor decide whether the dose of this drug must be changed.
The theophylline in this drug may add to the central nervous system stimulant effects of caffeine-containing foods or beverages such as chocolate, cocoa, tea, coffee and cola drinks Avoid eating or drinking large amounts of these foods or beverages while taking this drug . If you have any questions about this, check with your family doctor.
A change in your usual behavior or physical well-being may effect the way this drug works in your body Check with your family doctor if you:
Before you have myocardial perfusion studies - a medical test that shows how well blood is flowing to your heart, tell the family doctor in charge that you are taking this drug. The results of the test may be effected by this drug.