How the interaction occurs:
When these two medicines are taken together, your body may process adenosine more slowly.
What might happen:
Your blood levels of adenosine may increase. This may cause your heartbeat to increase.
What you should do about this interaction:
Adenosine is usually used during surgical procedures or in a hospital. If you are to have either inpatient or outpatient surgery or tests, or are to be admitted to the hospital, make sure that all the healthcare professionals are aware of all the different medicines that you are taking. This includes prescription medicines, herbal drugs, and nutraceuticalsYour healthcare professionals (e.g. doctor or pharmacist) may already be aware of this interaction and may be monitoring you for it. Do not start, stop, or change the dosage of any medicine before checking with them first.
1.Biaggioni I, Onrot J, Hollister AS, Robertson D. Cardiovascular effects of adenosine infusion in man and their modulation by dipyridamole. Life Sci 1986 Dec 8;39(23):2229-36.
2.Watt AH, Bernard MS, Webster J, Passani SL, Stephens MR, Routledge PA. Intravenous adenosine in the treatment of supraventricular tachycardia: a dose-ranging study and interaction with dipyridamole. Br J Clin Pharmacol 1986 Feb;21(2):227-30.
3.Conradson TB, Dixon CM, Clarke B, Barnes PJ. Cardiovascular effects of infused adenosine in man: potentiation by dipyridamole. Acta Physiol Scand 1987 Mar;129(3):387-91.
4.German DC, Kredich NM, Bjornsson TD. Oral dipyridamole increases plasma adenosine levels in human beings. Clin Pharmacol Ther 1989 Jan;45(1):80-4.
5.Lexiscan (regadenoson) US prescribing information. Astellas Pharma US, Inc. September, 2011.
6.Adenoscan (adenosine) US prescribing information. Astellas Pharma US, Inc. February, 2011.