Clonazepam may increase the effects of other drugs that cause drowsiness or dizziness,
including alcohol, sedatives (used to treat insomnia), other seizure medicines, pain relievers,
antidepressants, anxiety medicines, muscle relaxants, antihistamines, and others. Do not drink alcohol
and do not take any medicine without first talking to your doctor while taking clonazepam.
Drugs other than those listed here may also interact with clonazepam. Talk to your doctor and
pharmacist before taking any prescription or over-the-counter medicines, including vitamins, minerals,
and herbal products.
If you experience any of the following serious side effects, stop taking clonazepam and seek
emergency medical attention or contact your doctor immediately:
an allergic reaction (difficulty breathing; closing of the throat;
swelling of the lips, face, or tongue; or hives);
worsening seizures;
yellowing of the skin or eyes;
hallucinations or severe confusion; or
changes in vision.
Other, less serious side effects may be more likely to occur. Continue to
take clonazepam and talk to your doctor if you experience
drowsiness, or dizziness;
increased salivation (watering of the mouth);
poor coordination;
nervousness;
depression; or
constipation.
Clonazepam may be habit forming. Physical and/or psychological
dependence can occur, and withdrawal effects are possible if the medication is stopped suddenly after
prolonged or high-dose treatment. Do not stop taking clonazepam suddenly without first talking to your
doctor if you have been taking it continuously for more than 5 to 7 days. Your doctor may want to
gradually reduce the dose.
Side effects other than those listed here may also occur. Talk to your doctor about any side
effect that seems unusual or that is especially bothersome.
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