Clonazepam is an anticonvulsant. This means it can be used to stop seizures. It is also used to lessen states of fear. It is an anxiolytic. It is a benzodiazepine. Benzodiazepines are very addictive. Clonazepam is used to treat certain forms of epilepsy. It is also used to treat certain disorders of sleep, such as sleepwalking. In certain cases it is used as an off-label drug in psychiatry. It is also used for panic disorders.