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What is the most important information I should know about moricizine?

Call your doctor immediately if you experience chest pain, chest discomfort, worsening irregular heartbeats, or a fever.

Do not skip doses or change your dosing schedule without first talking to your doctor. Changing your schedule could make your condition much worse. It is important to take this medication exactly as directed by your doctor. Use caution when driving, operating machinery, or performing other hazardous activities. Moricizine may cause dizziness, drowsiness, or blurred vision. If you experience dizziness, drowsiness, or blurred vision, avoid these activities.

What is moricizine?

Moricizine affects the way that your heart beats.

Moricizine is used to treat seriously irregular heartbeat patterns.

Moricizine may also be used for purposes other than those listed in this medication guide.

What should I discuss with my healthcare provider before taking moricizine?

Before taking moricizine, tell your doctor if you have

• any other type of heart disease or heart problems,

• liver disease, or
• kidney disease.

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

Moricizine is in the FDA pregnancy category B. This means that it is unlikely to harm an unborn baby. Do not take moricizine without first talking to your doctor if you are pregnant. Moricizine passes into breast milk. It is not known whether moricizine 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 moricizine?

Take moricizine 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. Do not skip doses or change your dosing schedule without first talking to your doctor. Changing your schedule could make your condition much worse. It is important to take this medication exactly as directed by your doctor. Store moricizine at room temperature away from moisture and heat.

What happens if I miss a dose?

Try not to miss any doses of this medication. Missing doses could be very dangerous.

If you do miss a dose, take it as soon as you remember. However, if it is almost time for your next dose, skip the missed dose and take only your next regularly scheduled dose. Do not take a double dose of this medication. A double dose could be dangerous.