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Prescription Drug Coverage

Flecainide (Tambocor) Medicare Coverage

You may be able to find Medicare plan options in your area that cover Flecainide (generic Tambocor). Learn more about Flecainide and find Medicare Advantage plans in your area that cover other prescription drugs.
Chemical name: Flecainide

Brand name: Tambocor

Typical dosage: 100mg

Typical type: Tablet1

Flecainide is a medication used to prevent atrial fibrillation and ventricular arrhythmias. Flecainide is available as a brand name drug or a generic and comes as an oral tablet.

Flecainide is a medication that is used to prevent abnormal heartbeats related to atrial fibrillation, supraventricular tachycardia and ventricular arrhythmias. It works by slowing electrical signals in the heart to regulate the rhythm of your heart.

Flecainide is typically taken twice daily. The brand name equivalent of Flecainide is called Tambocor.

Common side effects of Flecainide include headache, dizziness, upset stomach and feeling tired or weak.

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Does Medicare cover Flecainide or Tambocor?

Yes! 100% of Medicare Advantage plans and Medicare Part D plans cover Flecainide.1

  • Medicare Advantage plans that offer prescription drug coverage are called Medicare Advantage Prescription Drug Plans (MA-PD). Most Medicare Advantage beneficiaries (88 percent) are enrolled in MA-PDs.2

  • Medicare prescription drugs plans each have their own formulary, or drug list, that details what prescription drugs are covered by the plan and how they are covered.

Drug coverage may vary based on plan availability. You may be able to find Medicare Advantage plan options in your area that cover Flecainide.

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You can also compare Part D prescription drug plans available where you live and enroll in a Medicare prescription drug plan online when you visit

Average costs for Flecainide with Medicare drug coverage1

Your copay and deductible costs for any prescription drug can vary depending on what coverage stage you’re in.

Deductible stage Typical copay stage
Your deductible is the amount of money you must spend on covered drugs before your Medicare drug coverage starts paying its share of costs.

In the deductible stage, you’re responsible for the full cost of your prescription drugs.

Some Medicare prescription drug plans have a $0 deductible. Medicare drug plans cannot have a deductible more than $480 in 2022.
After you meet your Part D deductible, you enter the initial coverage period.

During this phase (the typical copay stage), you pay a copayment (flat fee) or coinsurance (percentage) for your covered medications.
$5 – $97 Free – $55

Additional information

Flecainide should only be used to treat specific types of abnormal heartbeats. Other types of abnormal heartbeats have occurred in patients while taking this medication.

This medication should not be used if you have chronic atrial fibrillation, or if you have had a heart attack or heart failure.

Heart failure has happened with this drug. Let your doctor know if you experience shortness of breath, noticeable weight gain, a heartbeat that is not normal or swelling in the arms or legs that is new or worse.

Let your doctor know about any underlying heart disease that you have.



This article is for informational purposes only. It is not healthcare advice, treatment, or diagnosis. It is not an endorsement of or recommendation for this medication. Speak to your doctor or healthcare provider about your specific healthcare needs, including your prescription medications. Only take medication as directed by your doctor.

Coverage and costs of prescription medications will vary by Medicare plan. Not all plans are available in all areas.


Written by Hayden Gharibyar, Pharm.D.