Find patient medical information for Clonazepam (Klonopin) on WebMD including its uses, side effects and safety, interactions, pictures, warnings, and user ratings Clonazepam, sold under the brand name Klonopin among others, is a benzodiazepine medication used to prevent and treat anxiety disorders, seizures, and akathisia, [7] with some evidence supporting use in treatment of mania due to bipolar disorder. [12] Clonazepam is used alone or together with other medicines to treat certain seizure disorders (eg, Lennox-Gastaut syndrome, akinetic, myoclonic, and absence seizures). It is also used to treat panic disorder. Clonazepam is a benzodiazepine that works in the brain to prevent seizures. Klonopin is a benzodiazepine used to treat certain types of seizure disorders (epilepsy) and panic disorder with or without agoraphobia. Klonopin (Clonazepam) may treat, side effects, dosage, drug interactions, warnings, patient labeling, reviews, and related medications including drug comparison and health resources. Clonazepam is a benzodiazepine (ben-zoe-dye-AZE-eh-peen). It is thought that benzodiazepines work by enhancing the activity of certain neurotransmitters in the brain. Clonazepam is used to treat certain seizure disorders (including absence seizures or Lennox-Gastaut syndrome) in adults and children. Klonopin is a benzodiazepine (ben-zoe-dye-AZE-eh-peen). It is thought that benzodiazepines work by enhancing the activity of certain neurotransmitters in the brain. Klonopin is used to treat certain seizure disorders (including absence seizures or Lennox-Gastaut syndrome) in adults and children.