XENAZINE- tetrabenazine tablet 
Lundbeck Pharmaceuticals LLC



XENAZINE® (ZEN-uh-zeen)
(tetrabenazine) Tablets

Read the Medication Guide that comes with XENAZINE before you start taking it and each time you refill the prescription. There may be new information. This information does not take the place of talking with your doctor about your medical condition or your treatment. You should share this information with your family members and caregivers.

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

Call the doctor right away if you become depressed or have any of the following symptoms, especially if they are new, worse, or worry you:


XENAZINE is a medicine that is used to treat the involuntary movements (chorea) of Huntington’s disease. XENAZINE does not cure the cause of the involuntary movements, and it does not treat other symptoms of Huntington’s disease, such as problems with thinking or emotions.

It is not known whether XENAZINE is safe and effective in children.

Who should not take XENAZINE?

Do not take XENAZINE if you:

What should I tell my doctor before taking XENAZINE?

Tell your doctor about all your medical conditions, including if you:

Tell your doctor about all the medicines you take, including prescription medicines and nonprescription medicines, vitamins and herbal products. Using XENAZINE with certain other medicines may cause serious side effects. Do not start any new medicines while taking XENAZINE without talking to your doctor first.

How should I take XENAZINE?

What should I avoid while taking XENAZINE?

Sleepiness (sedation) is a common side effect of XENAZINE. While taking XENAZINE, do not drive a car or operate dangerous machinery until you know how XENAZINE affects you. Drinking alcohol and taking other drugs that may also cause sleepiness while you are taking XENAZINE may increase any sleepiness caused by XENAZINE.

What are the possible side effects of XENAZINE?

XENAZINE can cause serious side effects, including:

Common side effects with XENAZINE include:

Tell your doctor if you have any side effects. Do not stop taking XENAZINE without talking to your doctor first.

Call your doctor for medical advice about side effects. You may report side effects to the Food and Drug Administration (FDA) at 1-800-FDA-1088.

General information about XENAZINE

XENAZINE contains the active ingredient tetrabenazine. It also contains these inactive ingredients: lactose, maize starch, talc, and magnesium stearate. The 25 mg tablet, which is pale yellow, also contains yellow iron oxide.

Medicines are sometimes prescribed for purposes other than those listed in a Medication Guide. Do not use XENAZINE for a condition for which it was not prescribed. Do not give XENAZINE to other people, even if they have the same symptoms that you have. It may harm them. Keep XENAZINE out of the reach of children.

This Medication Guide summarizes the most important information about XENAZINE. If you would like more information, talk with your doctor. You can ask your doctor or pharmacist for information about XENAZINE that is written for healthcare professionals. You can also call Lundbeck’s XENAZINE Information Center at 1-888-882-6013 (option 1) or visit www.xenazineusa.com.

This Medication Guide has been approved by the U.S. Food and Drug Administration.

Manufactured by:
Recipharm Fontaine SAS
Rue des Prés Potets
21121 Fontaine-lés-Dijon, France

Manufactured for:
Deerfield, IL 60015 USA

Xenazine is a trademark of Bausch Health Companies Inc. or its affiliates.

All other product/brand names and/or logos are trademarks of the respective owners.

© 2020 Bausch Health Companies Inc. or its affiliates

Revised 11/2019


Revised: 11/2019
Lundbeck Pharmaceuticals LLC