Denixil 0.5 mg Tablet contains Clonazepam, a benzodiazepine class medication produced by Renata Limited in Bangladesh. It is primarily used to treat seizure disorders, including Lennox-Gastaut syndrome, akinetic and myoclonic seizures, and panic disorders. Clonazepam works by enhancing the activity of gamma-aminobutyric acid (GABA), a neurotransmitter that helps to calm the brain and nerves.