Find patient medical information for Clonazepam (Klonopin) on WebMD including its uses, side effects and safety, interactions, pictures, warnings, and user ratings Klonopin is a benzodiazepine used to treat certain types of seizure disorders (epilepsy) and panic disorder with or without agoraphobia. 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] 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. 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 (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.