Drugs A - Z

Clonazepam Oral disintegrating tablet

It is used to treat certain types of seizures

Generic Name: clonazepam

Brand Names: Klonopin Wafer, Klonopin

There is an FDA Alert for this drug. Click here to view it.

What is this medicine?

CLONAZEPAM (kloe NA ze pam) is a benzodiazepine. It is used to treat certain types of seizures. It is also used to treat Panic Disorder.

What should I tell my health care provider before I take this medicine?

They need to know if you have any of these conditions:
  • an alcohol or drug abuse problem
  • bipolar disorder, depression, psychosis or other mental health condition
  • glaucoma
  • kidney or liver disease
  • lung or breathing disease
  • myasthenia gravis
  • Parkinson's disease
  • seizures or a history of seizures
  • suicidal thoughts
  • an unusual or allergic reaction to clonazepam, other benzodiazepines, foods, dyes, or preservatives
  • pregnant or trying to get pregnant
  • breast-feeding

How should I use this medicine?

Take this medicine by mouth. Follow the directions on the prescription label. Place the wafer on your tongue and it will slowly dissolve. You do not need to swallow the wafer with water, but you may take it with water if you like. If it upsets your stomach, take it with food or milk. Take your doses at regular intervals. Do not take your medicine more often than directed. Do not stop taking or change the dose except on the advice of your doctor or health care professional.

A special MedGuide will be given to you by the pharmacist with each prescription and refill. Be sure to read this information carefully each time.

Talk to your pediatrician regarding the use of this medicine in children. Special care may be needed.

What if I miss a dose?

If you miss a dose, take it as soon as you can. If it is almost time for your next dose, take only that dose. Do not take double or extra doses.

What may interact with this medicine?

  • herbal or dietary supplements
  • medicines for depression, anxiety, or psychotic disturbances
  • medicines for fungal infections like fluconazole, itraconazole, ketoconazole, voriconazole
  • medicines for HIV infection or AIDS
  • medicines for sleep
  • prescription pain medicines
  • propantheline
  • rifampin
  • sevelamer
  • some medicines for seizures like carbamazepine, phenobarbital, phenytoin, primidone

What should I watch for while using this medicine?

Visit your doctor or health care professional for regular checks on your progress. Your body may become dependent on this medicine. If you have been taking this medicine regularly for some time, do not suddenly stop taking it. You must gradually reduce the dose or you may get severe side effects. Ask your doctor or health care professional for advice before increasing or decreasing the dose. Even after you stop taking this medicine it can still affect your body for several days.

If you suffer from several types of seizures, this medicine may increase the chance of grand mal seizures (epilepsy). Let your doctor or health care professional know, he or she may want to prescribe an additional medicine.

You may get drowsy or dizzy. Do not drive, use machinery, or do anything that needs mental alertness until you know how this medicine affects you. To reduce the risk of dizzy and fainting spells, do not stand or sit up quickly, especially if you are an older patient. Alcohol may increase dizziness and drowsiness. Avoid alcoholic drinks.

Do not treat yourself for coughs, colds or allergies without asking your doctor or health care professional for advice. Some ingredients can increase possible side effects.

The use of this medicine may increase the chance of suicidal thoughts or actions. Pay special attention to how you are responding while on this medicine. Any worsening of mood, or thoughts of suicide or dying should be reported to your health care professional right away.

Women who become pregnant while using this medicine may enroll in the North American Antiepileptic Drug Pregnancy Registry by calling 1-888-233-2334. This registry collects information about the safety of antiepileptic drug use during pregnancy.


Last Updated: November 12, 2010
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