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Brand Names: Cystadane

Generic Name: betaine (Pronunciation: BET aine)

• What is betaine (Cystadane)?
• What are the possible side effects of betaine (Cystadane)?
• What is the most important information I should know about betaine (Cystadane)?
• What should I discuss with my health care provider before taking betaine (Cystadane)?
• How should I take betaine (Cystadane)?
• What happens if I miss a dose (Cystadane)?
• What happens if I overdose (Cystadane)?
• What should I avoid while taking betaine (Cystadane)?
• What other drugs will affect betaine (Cystadane)?
• Where can I get more information?

What is betaine (Cystadane)?

Betaine is a nutrient that is important for functioning of the heart and blood vessels. Betaine works in the body by preventing the build-up of an amino acid called homocysteine. This amino acid can harm blood vessels and contribute to heart disease, stroke, or circulation problems.

Betaine is a byproduct of sugar beet processing.

Betaine is used to reduce homocysteine levels in people with a genetic condition called homocystinuria, in which the amino acid builds up in the body. Betaine is not a cure for homocysteinuria.

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

What are the possible side effects of betaine (Cystadane)?

Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.

Less serious side effects are more likely, and you may have none at all.

This is not a complete list of side effects and others may occur. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.

What is the most important information I should know about betaine (Cystadane)?

Before taking betaine, tell your doctor about any allergies or medical conditions you have. You may not be able to take betaine, or you may need a dose adjustment or special tests during treatment.

Use this medication exactly as directed on the label, or as prescribed by your doctor. Do not use it in larger amounts or for longer than recommended.

If you miss a dose, take it as soon as you remember. If it is almost time for your next dose, wait until then to take the medicine and skip the missed dose. Do not use extra medicine to make up the missed dose.

There may be other drugs that can interact with betaine. Tell your doctor about all your prescription and over-the-counter medications, vitamins, minerals, herbal products, and drugs prescribed by other doctors. Do not start a new medication without telling your doctor.

Get emergency medical help if you think you have used too much medicine, or if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat.

Less serious side effects are more likely, and you may have none at all. Tell your doctor about any unusual or bothersome side effects.