Saturday, October 25, 2014

Tuesday, February 03, 2009 D Parker, Community Member, asks

Q: Irregular Heartbeat side effect

An irregular heartbeat is listed as a possible side effect of Norvasc (for one). If this condition does occur will it reverse if use of the product is stopped.

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Answers (1)
Martin Cane, M.D., Health Pro
2/ 4/09 5:06pm

D Parker,


Thanks for your question.


Norvasc is a calcium channel blocker that is used in the treatment of high blood pressure.  It works by relaxing the smooth muscle in arteries causing a widening (called vasodilatation) of these blood vessels which results in lower blood pressure.  Though not a common side effect, some patients experience palpitations and can develop abnormal cardiac rhythms. 


These abnormal rhythms and other side effects usually revert back to normal if the drug is withdrawn.


I suggest you discuss this with your doctor.  No drug dosage should be changed or drug discontinued without the knowledge of your physician. 


I hope this has been helpful.


Best wishes.


Martin Cane, M.D.

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By D Parker, Community Member— Last Modified: 12/26/10, First Published: 02/03/09