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Discontinued Warning IconPlease Note: This Brand Name drug is no longer available in the US.
(Generic versions may still be available.)

Tonocard Patient Information including How Should I Take

What should I discuss with my healthcare provider before taking tocainide (Tonocard)?

Before taking tocainide, tell your doctor if you have

  • any other type of heart disease or heart problem,
  • liver disease, or
  • kidney disease.

You may not be able to take tocainide, or you may require a lower dose or special monitoring during treatment if you have any of the conditions listed above.

Tocainide is in the FDA pregnancy category C. This means that it is not known whether tocainide will harm an unborn baby. Do not take this medication without first talking to your doctor if you are pregnant.

Tocainide passes into breast milk. It is not known whether tocainide will affect a nursing infant. Do not take this medication without first talking to your doctor if you are breast-feeding a baby.

How should I take tocainide (Tonocard)?

Take tocainide exactly as directed by your doctor. If you do not understand these directions, ask your pharmacist, nurse, or doctor to explain them to you.

Take each dose with a full glass of water.

Tocainide may be taken with food to lessen stomach upset.

Do not skip doses or change your dosing schedule without talking to your doctor. Changing your schedule could make your condition much worse.

Store tocainide at room temperature away from moisture and heat.

Side Effects Centers

Report Problems to the Food and Drug Administration


You are encouraged to report negative side effects of prescription drugs to the FDA. Visit the FDA MedWatch website or call 1-800-FDA-1088.

Women's Health

Find out what women really need.