Klonopin drug belongs to a class of drugs called benzodiazepine, which is used in the treatment of anxiety disorders. It is one of the widely prescribed medicine by most medical professionals to treat symptoms of anxiety disorders and depression. This drug is also used in the treatment and control of seizures. Klonopin is a brand name used to supply Clonazepam drugs. This medicine works in the brain and central nervous system (CNS) to produce a calming effect in the brain that help to reduce the symptoms of panic disorder.