What is clonazepam? Clonazepam is a benzodiazepine. It affects chemicals in the brain that may be unbalanced to treat seizures and certain types of anxiety disorders. Clonazepam, a type of anti-epileptic drug, is used to treat certain seizure disorders (including absence seizures or Lennox-Gastaut syndrome) in adults and children. Clonazepam https://www.goodreads.com/topic/show/21073474-what-does-clonazepam-do-for-anxiety-blinkhealths-com