Tambocor

Generic name:flecainide [ FLEK-a-nide ]
Drug class:Group I antiarrhythmics

Medically reviewed by Drugs.com on Jan 5, 2022. Written by Cerner Multum.

What is Tambocor?

Tambocor is a Class IC anti-arrhythmic that is used in certain situations to prevent serious heart rhythm disorders.

Tambocor may also be used for purposes not listed in this medication guide.

Warnings

You should not use Tambocor if you have a serious heart condition such as bundle branch block or AV block (without a pacemaker), or if your heart cannot pump blood properly.

You may receive your first dose in a hospital or clinic setting to quickly treat any serious side effects.

Before taking this medicine

You should not use Tambocor if you are allergic to it, or if:

• you have a serious heart condition such as bundle branch block or AV block (unless you have a pacemaker); or

• your heart cannot pump blood properly.

Tell your doctor if you have ever had:

• a heart attack;

• chronic atrial fibrillation, or "AFib";

• congestive heart failure;

• a heart condition called "sick sinus syndrome";

• an electrolyte imbalance (such as low levels of potassium or magnesium in your blood); or

• liver disease.

It is not known whether this medicine will harm an unborn baby. Tell your doctor if you are pregnant or plan to become pregnant.

It may not b...