Clonazepam (By mouth)
Treats seizures, panic disorder, and anxiety.
When This Medicine Should Not Be Used
How to Use This Medicine
Tablet, Dissolving Tablet
- Take your medicine as directed. Your dose may need to be changed several times to find what works best for you.
- Disintegrating tablet: Dry your hands before you handle the tablet. Place the tablet on your tongue and let it dissolve.
- Missed dose: Take a dose as soon as you remember. If it is almost time for your next dose, wait until then and take a regular dose. Do not take extra medicine to make up for a missed dose.
- Store the medicine in a closed container at room temperature, away from heat, moisture, and direct light.
Drugs and Foods to Avoid
Ask your doctor or pharmacist before using any other medicine, including over-the-counter medicines, vitamins, and herbal products.
- Some medicines can affect how clonazepam works. Tell your doctor if you are using any of the following:
- Medicine to treat fungal infections
- Do not drink alcohol while you are using this medicine.
- Tell your doctor if you drink alcohol or if you are using any medicine that makes you sleepy, such as allergy medicine or narcotic pain medicine.
Warnings While Using This Medicine
- It is not safe to take this medicine during pregnancy. It could harm an unborn baby. Tell your doctor right away if you become pregnant.
- Tell your doctor if you have kidney disease, liver disease, glaucoma, or lung problems. Tell your doctor if you have a history of drug or alcohol addiction, depression, or mental illness.
- This medicine can increase thoughts of suicide. Tell your doctor right away if you start to feel depressed and have thoughts about hurting yourself. Report any unusual thoughts or behaviors that trouble you, especially if they are new or getting worse quickly.
- This medicine can be habit-forming. Do not use more than your prescribed dose. Call your doctor if you think your medicine is not working.
- Do not stop using this medicine suddenly. Your doctor will need to slowly decrease your dose before you stop it completely.
- This drug has a higher risk of overdose. Call your doctor if you have extreme dizziness or weakness, a slow heartbeat, or problems with coordination or memory.
- This medicine may make you dizzy or drowsy. Do not drive, use machines, or do anything else that could be dangerous until you know how this medicine affects you.
- Your doctor will do lab tests at regular visits to check on the effects of this medicine. Keep all appointments.
- Keep all medicine out of the reach of children. Never share your medicine with anyone.
Possible Side Effects While Using This Medicine
Call your doctor right away if you notice any of these side effects:
- Allergic reaction: Itching or hives, swelling in your face or hands, swelling or tingling in your mouth or throat, chest tightness, trouble breathing
- Confusion, problems with coordination or memory
- Depression, irritability, restlessness
- Extreme tiredness or weakness, slow heartbeat, trouble breathing or speaking
- Seizure, tremors
- Unusual behavior or thoughts of hurting yourself
- Worsening seizures
If you notice these less serious side effects, talk with your doctor:
- Drowsiness, tiredness
- Fever, chills, cough, sore throat, and body aches
- Increased saliva
If you notice other side effects that you think are caused by this medicine, tell your doctor
Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088
- Last reviewed on 8/4/2014
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