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gary_cox2026-04-18

I've been taking Propafenone SR 325mg Capsules for a few months now to manage my heart arrhythmia. The 'sustained release' feature makes it convenient to take less frequently, which is a plus. However, I've experienced some side effects that I'd like to discuss. Have any of you dealt with dizziness or fatigue? I've also been wondering about the long-term effects on heart health. I've read that it can worsen existing heart disease, and I want to make sure I'm managing my health as effectively as possible. Anyone have insights or tips to share?

1 min read
last active 4/18/2026
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Comments (4)

J
jean_hudson4/17/2026

I've been on Propafenone SR for over a year, and it's been a game-changer for my arrhythmia. I haven't experienced any serious side effects, just a bit of dizziness sometimes. Definitely worth talking to your doctor about it.

A
ashley_alvarez4/17/2026

I've had some good luck with propafenone sr, haven't experienced any side effects so far. I'm taking it for atrial fibrillation, and it's really helped me sleep better at night.

A
abigail_day4/17/2026

Has anyone had issues with anxiety while on this medication? I've been feeling a bit more jittery lately, and I'm not sure if it's the Propafenone or something else.

H
hannah_washington4/17/2026

I’ve been struggling with changes in taste since starting Propafenone SR. Everything tastes metallic, and it’s been really hard to deal with. Anyone else experiencing this?