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Dr. Andrew Rynne
Dr. Andrew Rynne

Family Physician

Exp 50 years

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Are heart conduction disorders a side effect of Cyclobenzaprine?

Hi Dr Rynne. I was diagnosed years ago with right bundle branch block. Recently my doctor prescribed cyclobenzaprine for a different problem. Online I see that one of cyclobenzaprine s contraindications is heart conduction problems Am I safe to take this drug?
Fri, 3 Nov 2017
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Pulmonologist 's  Response
Thanks for your question on Healthcare Magic.
I can understand your concern.
Yes, cyclobenzaprine can affect conduction system of heart and worsen underlying cardiac conduction defect.
Since you are known case of right bundle branch block (RBBB), it is better not to take cyclobenzaprine as it would worsen your RBBB.
Better to talk with your doctor for alternative drug.
Hope I have solved your query. I will be happy to help you further. Wish you good health. Thanks.
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