1 What is the most important information I should know about Clonazepam? • Use caution when driving, operating machinery, or performing other hazardous activities. Clonazepam will cause drowsiness and may cause dizziness. If you experience drowsiness or dizziness, avoid these activities. • Use alcohol cautiously. Alcohol may increase drowsiness and dizziness while you are taking Clonazepam. Alcohol may also increase your risk of having a seizure. • Do not stop taking Clonazepam suddenly. This could cause seizures and withdrawal symptoms. Talk to your doctor if you need to stop treatment with Clonazepam. What is Clonazepam? • Clonazepam is in a class of drugs called benzodiazepines. Clonazepam affects chemicals in your brain that may become unbalanced and cause seizures. • Clonazepam is used to treat seizures. • Clonazepam may also be used for purposes other than those listed in this medication guide.