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Question
Posted by: Trish | 2020/09/22

Could Flecainide cause a chronic cough?

I take Flecainide 100mg two times per day, to prevent A-fib (Hx of due to hyperthyroid, resolved). Could Flecainide cause a chronic cough? Often Productive, no COPD, excellent stamina, energy. All typical causes have been ruled out. Thank you

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Our expert says:
Expert ImageCough Expert
- 2020/09/28

Flecainide is not a drug typically associated with chronic cough.  The fact that your cough is productive is also surprising.  Nevertheless, there are many drugs that are associated with rare adverse events that may present in individual persons.  Firstly, there are other much more common causes of chronic productive cough that are often overlooked.  These include chronic hay fever with post-nasal drip and acid coming up the food pipe (GORD). These can be easily missed and often need to be empirically treated for one can ascertain definitively that they are not there.  This should be discussed with your medical practitioner.  If all else fails, you will need to discuss with your practitioner, a safe way of stopping the drug to see what temporary effect it has on the cough.  You also need to discuss with your medical practitioner the continue need for Flecainide.  If your hyperthyroidism is resolved, and your heart chambers are of normal size, do you still have the atrial fibrillation and are there other approaches that can be used to deal with this problem?  Bottom line, do you still need to be on the Flecainide?  These are all aspects that you will need to discuss with your medical providers so that they can deal with this in the proper way.

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