KLONOPIN- clonazepam tablet 
Genentech, Inc.



tablets, for oral use,


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

  • thoughts about suicide or dying
  • new or worse anxiety
  • trouble sleeping (insomnia)
  • acting on dangerous impulses
  • attempts to commit suicide
  • feeling agitated or restless
  • new or worse irritability
  • an extreme increase in activity and talking (mania)
  • new or worse depression
  • panic attacks
  • acting aggressive, being angry, or violent
  • other unusual changes in behavior or mood

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.

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.


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

It is not known if KLONOPIN is safe or effective in treating panic disorder in children younger than 18 years old.

Who should not take KLONOPIN?

Do not take KLONOPIN if you:

Ask your healthcare provider if you are not sure if you have any of the problems listed above.

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

Tell your healthcare provider about all the medicines you take, including prescription and over-the-counter medicines, vitamins, and herbal supplements.

Taking KLONOPIN with certain other medicines can cause side effects or affect how well KLONOPIN or the other medicines work. Do not start or stop other medicines without talking to your healthcare provider.

How should I take KLONOPIN?

What should I avoid while taking KLONOPIN?

What are the possible side effects of KLONOPIN?

See "What is the most important information I should know about KLONOPIN?"

KLONOPIN can also make your seizures happen more often or make them worse. Call your healthcare provider right away if your seizures get worse while taking KLONOPIN.

The most common side effects of KLONOPIN include:

  • drowsiness
  • problems with walking and coordination
  • dizziness
  • depression
  • fatigue
  • problems with memory

These are not all the possible side effects of KLONOPIN. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088. You may also report side effects to Genentech at 1-888-835-2555.

How should I store KLONOPIN?

General Information about the safe and effective use of KLONOPIN

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

You can ask your pharmacist or healthcare provider for information about KLONOPIN that is written for health professionals.

What are the ingredients in KLONOPIN?

Active ingredient: clonazepam

Inactive ingredients:


Revised: October 2017

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

Distributed by:

Genentech USA, Inc.
A Member of the Roche Group
1 DNA Way
South San Francisco, CA 94080-4990

© 2017 Genentech, Inc. All rights reserved.

For more information, go to www.gene.com/patients/medicines//klonopin. or call 1-877-436-3683

Revised: 12/2019
Genentech, Inc.