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Generic Rythmol SR

Propafenone ER

Propafenone ER

Drug Info Side Effects Dosage Medicare

Propafenone ER

About propafenone ER

PROPAFENONE prevents and treats a fast or irregular heartbeat (arrhythmia). It is often used to treat a type of arrhythmia known as AFib (atrial fibrillation). It works by slowing down overactive electric signals in the heart, which stabilizes your heart rhythm. It belongs to a group of medications called antiarrhythmics.

Get Propafenone ER for as low as $35.23, which is 92% off the average retail price of $458.57 for the most common version, by using a GoodRx coupon. Learn about saving on prescription medications with GoodRx Companion.

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Other Antiarrhythmics

Related conditions

Atrial Fibrillation

Propafenone ER prices by dosage

Propafenone ER capsule prices

Default quantities vary by dosage and the displayed quantity represents the most commonly filled. Retail prices shown are the average costs that users pay for these drugs, and do not reflect pharmacy pricing in your specific location.
Dosage	Quantity	Retail price	GoodRx price

225mg

60 capsules

$334.67

325mg

180 capsules

$1,529.88

425mg

180 capsules

$1,579.86

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Standard GoodRx price

$43.28

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*Prices subject to change without notice. Sales tax may apply and is not included.

Price with companion

$34.73

for Companion members

250+ medications are free, with hundreds more under $10. Plans start at $9.99/mo. (when paid yearly). Terms apply.

retail$511.14

GoodRx coupon prices last updated on 09/14/26.

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