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.

How much does Flecainide cost with Medicare?

Flecainide coverage and costs may vary based on the specific plan you have, as well as what coverage stage you're in.

Contact your plan carrier or consult your plan formulary for more cost information.

Does Medicare cover Flecainide?

According to GoodRx, 100% of Medicare Advantage plans and Medicare Part D plans covered Flecainide in 2023.1

  • Medicare Advantage plans or Part D plans that cover Flecainide include copay amounts that can range widely from one plan to another. Plan members may also be responsible for meeting a deductible before the plan’s drug coverage kicks in.

  • Medicare Advantage plans that offer prescription drug coverage are called Medicare Advantage Prescription Drug Plans (MA-PD). 89% of 2023 Medicare Advantage plans included prescription drug coverage.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. We represent carriers such as Humana, UnitedHealthcare®, Anthem Blue Cross and Blue Shield, Aetna, Cigna Healthcare, Wellcare, or Kaiser Permanente.

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

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.

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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.

1 GoodRx. Flecainide. Retrieved October 2023, from

2 Freed M, et al. (Nov 10, 2022). Medicare Advantage 2023 Spotlight: First Look. Kaiser Family Foundation.