No: But if heart rhythm is abnormal it could cause syncope...Check in with your prescribing physician.
Answered 8/27/2013
4.9k views
Flecainide: If you are having symptoms that were not present before you started flecainide, you should check in with your doctor. If symptoms that were being treated with Flecainide get worse, you should check in with your doctor.
Answered 9/29/2016
4.9k views
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