Find & Manage Your Patient Assistance Programs
Estimated patient savings $600,000,000.00

Important Note

The following information is intended to supplement, not substitute for, the expertise and judgment of your physician, pharmacist or other healthcare professional. It should not be construed to indicate that use of the drug is safe, appropriate, or effective for you. Consult your healthcare professional before using this drug.



COMMON BRAND NAME(S): Klonopin Wafers


This medication is used to treat seizure disorders as well as the anxiety symptoms associated with panic disorders. Clonazepam belongs to a class of medications called benzodiazepines. These medicines work directly on the brain and nerves (central nervous system) to produce a calming effect.

How To Use

Take this medication by mouth exactly as directed by your doctor. These tablets come packaged in a blister pack. Do not remove the tablet from the packaging until you are ready to take a dose. Separate a pouch at the perforation. Bend the corner of the package where directed. Peel back the foil layer to show the tablet. Do not try to push the tablet through the foil, this can damage the tablet. Remove the tablet from the pouch and with dry hands immediately place it on your tongue. Do not try to split or chew the tablet. The tablet will melt on your tongue in a few seconds. After the tablet has melted on your tongue, it can be swallowed with or without water or other liquid. Do not increase your dose, take it more frequently, or use it for a longer period of time than prescribed, because this drug may be habit forming. If using this drug for an extended period of time, do not suddenly stop taking this medication without consulting your doctor. Some conditions may become worse when the drug is suddenly stopped. Your dose will need to be gradually decreased to avoid side effects such as seizures. When used for an extended period, this medication may not work as well and may require different dosing. Talk with your doctor if this medication stops working well.

Side Effects

Drowsiness, dizziness, tiredness, reduced desire for sex, menstrual cramps, increased saliva production, or common cold symptoms (e.g., cough, runny nose) may occur. If any of these effects persist or worsen, notify your doctor or pharmacist promptly. Tell your doctor immediately if any of these serious side effects occur: mental/mood changes, loss of coordination. Tell your doctor immediately if any of these serious but unlikely side effects occur: confusion, nervousness, seizure, slurred speech or difficulty speaking, stomach pain, memory difficulties, vision changes. An allergic reaction to this drug is unlikely, but seek immediate medical attention if it occurs. Symptoms of an allergic reaction include: rash, itching, swelling, severe dizziness, trouble breathing. If you notice other effects not listed above, contact your doctor or pharmacist.


This medication should not be used if you have certain medical conditions. Before using this medicine, consult your doctor or pharmacist if you have: glaucoma (narrow angle), severe liver disease, allergy to any other benzodiazepine (e.g., diazepam, lorazepam). Before using this medication, tell your doctor or pharmacist your medical history, especially of: glaucoma (open angle), kidney disease, liver disease, lung disease, seizures, history of drug dependence, alcohol use, any allergies. This drug may make you dizzy or drowsy; use caution engaging in activities requiring alertness such as driving or using machinery. Avoid alcoholic beverages. Caution is advised when using this drug in the elderly because they may be more sensitive to the effects of the drug, especially the drowsiness effect. This medication is not recommended for use during pregnancy. Consult your doctor for more details. This medication passes into breast milk. Breast-feeding while using this medication is not recommended.

Drug Interactions

Before using this medication, tell your doctor or pharmacist of all prescription and nonprescription products you may use, especially of: anti-seizure drugs (e.g., carbamazepine, phenytoin, phenobarbital), cimetidine, nefazodone, kava. Report all drugs that cause drowsiness such as: medicine for sleep (e.g., sedatives), tranquilizers, anti-anxiety drugs (e.g., diazepam), narcotic pain relievers (e.g., codeine), psychiatric medicines (e.g., phenothiazines such as chlorpromazine, or tricyclics such as amitriptyline), anti-seizure drugs (e.g., carbamazepine), muscle relaxants, antihistamines that cause drowsiness (e.g., diphenhydramine). Flumazenil is a medication which can partially or fully reverse the effects of benzodiazepines, including clonazepam. Patients being treated with clonazepam for the treatment of seizures should not be given flumazenil because seizures may occur. Consult your doctor for details. Check the labels on all your medicines (e.g., cough-and-cold products) because they may contain ingredients that could cause drowsiness. Ask your pharmacist about the safe use of those products. Do not start or stop any medicine without doctor or pharmacist approval.


If overdose is suspected, contact your local poison control center or emergency room immediately. Symptoms of overdose may include: extreme drowsiness and confusion, loss of reflexes, or loss of consciousness.


Do not share this medication with others. It is against the law. Laboratory and/or medical tests (e.g., CBC, liver function tests) may be performed periodically to monitor your progress or to check for side effects. Consult your doctor for more details.

Missed Dose

If you miss a dose, take it as soon as you remember. If it is near the time of the next dose, skip the missed dose and resume your usual dosing schedule. Do not double the dose to catch up.


Store at room temperature of 77 degrees F (25 degrees C) away from light and moisture. Brief storage between 59 and 86 degrees F (15-30 degrees C) is permitted. Do not store in the bathroom. Keep all medicines away from children and pets.

Medical Alert

Your condition can cause complications in a medical emergency. For enrollment information call MedicAlert at 1-800-854-1166 (USA) or 1-800-668-1507 (Canada).