PRIMIDONE- primidone tablet 
Dr. Reddy's Laboratories Limited




Read this Medication Guide before you start taking primidone and each time you get a refill. There may be new information. This information does not take the place of talking to your healthcare provider about your medical condition or treatment.  

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

Do not stop taking primidone without first talking to your healthcare provider.

Stopping primidone suddenly can cause serious problems.  

Primidone can cause serious side effects, including:  

1. Like other antiepileptic drugs, primidone may cause suicidal thoughts or actions in a very small number of people, about 1 in 500.  

Call a healthcare provider right away if you have any of these symptoms, especially if they are new, worse, or worry you:

How can I watch for early symptoms of suicidal thoughts and actions?

Call your healthcare provider between visits as needed, especially if you are worried about symptoms.  

Do not stop primidone without first talking to a healthcare provider.

Suicidal thoughts or actions can be caused by things other than medicines. If you have suicidal thoughts or actions, your healthcare provider may check for other causes.  

What is primidone?

Primidone is a prescription medicine used alone or with other medicines to treat people with:

Who should not take primidone?

Do not take primidone if you: have a genetic disorder called porphyria are allergic to phenobarbital  

What should I tell my healthcare provider before taking primidone?

Before you take primidone, tell your healthcare provider if you:

Tell your healthcare provider about all the medicines you take, including prescription and non-prescription medicines, vitamins, and herbal supplements. Taking primidone with certain other medicines can cause side effects or affect how well they work. Do not start or stop other medicines without talking to your healthcare provider.  

Know the medicines you take. Keep a list of them and show it to your healthcare provider and pharmacist each time you get a new medicine. 

How should I take primidone?

Take primidone exactly as prescribed.

What should I avoid while taking primidone?

What are the possible side effects of primidone?  See "What is the most important information I should know about primidone?”

Primidone may cause other serious side effects including:

The most common side effects of primidone include:

These are not all the possible side effects of primidone. For more information, ask your healthcare provider or pharmacist.

Tell your healthcare provider if you have any side effect that bothers you or that does not go away. 

Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088.  

How should I store primidone?

Store Primidone tablets at 20° - 25° C (68° - 77° F) [See USP Controlled Room Temperature]. in a tight, light-resistant container.  

Keep primidone and all medicines out of the reach of children. 

General Information about primidone

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

This Medication Guide summarizes the most important information about primidone. If you would like more information, talk with your healthcare provider. You can ask your pharmacist or healthcare provider for information about primidone that is written for health professionals.  

For more information, call 1-888-375-3784  

What are the ingredients in primidone?

Active Ingredient: Primidone

Inactive ingredients: Lactose monohydrate, magnesium stearate, methyl cellulose, purified water, sodium lauryl sulphate, sodium starch glycolate and talc. Primidone tablets 250 mg also contain yellow iron oxide.

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

To reorder additional Medication Guides, contact Dr. Reddy’s Customer Service at 1-866-733-3952. 

Rx only

Manufactured by:

Dr. Reddy’s Laboratories Limited

Bachepalli – 502 325 INDIA    

Revised: 1210

Revised: 12/2010
Dr. Reddy's Laboratories Limited