Propafenone SR

Important Information for Your Healthcare Provider

You should talk with your healthcare provider prior to taking this medication if you have:
 
 
Also, let your healthcare provider know if you are:
 
 
Make sure to tell your healthcare provider about all other medications you are taking, including prescription and nonprescription medicines, vitamins, and herbal supplements.
 
(Click Precautions and Warnings With Propafenone SR to learn more, including information on who should not take the drug.)
 

How Does It Work?

Propafenone SR belongs to a group of medications known as Class I antiarrhythmics. Class I antiarrhythmic medications block sodium channels in the heart. Propafenone SR works by slowing down the speed at which electrical impulses move through the heart, which helps stabilize the heart rhythm.
 
Propafenone SR is specially formulated so the medication is released slowly from the capsule over time. This allows propafenone SR to be taken only two times a day, compared to three times a day with regular propafenone.
 
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Propafenone Extended-Release Information

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