Drug interactions between dipyridamole and Lexiscan
Interactions between your drugs
dipyridamole ↔ regadenoson
Applies to:dipyridamole and Lexiscan (regadenoson)
Using dipyridamole together with regadenoson may increase the effects of regadenoson. Contact your doctor if you experience decreased blood pressure and heart rate, heart block, arrhythmias, or any other cardiovascular effects. If possible, dipyridamole should be withheld for at least two days prior to administration of regadenoson for myocardial perfusion imaging. If your doctor prescribes these medications together, you may need a dose adjustment or special tests to safely use both medications. It is important to tell your doctor about all other medications you use, including vitamins and herbs. Do not stop using any medications without first talking to your doctor.
Drug and food interactions
Applies to: dipyridamole
Caffeine may interfere with the effects of dipyridamole in dilating the arteries. You should avoid caffeine-containing products for at least 24 hours before an imaging procedure involving dipyridamole given by injection. However, no special precaution is necessary if you are taking dipyridamole orally for maintenance.
Applies to: Lexiscan (regadenoson)
Caffeine may interfere with the effects of regadenoson. You should avoid caffeine-containing products for at least 12 hours before an imaging procedure involving regadenoson.
Therapeutic duplication warnings
Therapeutic duplication is the use of more than one medicine from the same drug category or therapeutic class to treat the same condition. This can be intentional in cases where drugs with similar actions are used together for demonstrated therapeutic benefit. It can also be unintentional in cases where a patient has been treated by more than one doctor, or had prescriptions filled at more than one pharmacy, and can have potentially adverse consequences.
Cardiac stressing agents
The recommended maximum number of medicines in the 'cardiac stressing agents' category to be taken concurrently is usually one. Your list includes two medicines belonging to the 'cardiac stressing agents' category:
- regadenoson (active ingredient in Lexiscan (regadenoson))
Note: The benefits of taking this combination of medicines may outweigh any risks associated with therapeutic duplication. This information does not take the place of talking to your doctor. Always check with your healthcare provider to determine if any adjustments to your medications are needed.
Drug Interaction Classification
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Do not stop taking any medications without consulting your healthcare provider.