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 (Klonopin) is an prescription medication used to treat panic disorder, certain types of seizures, Lennox-Gastaut syndrome, and the short-term relief of anxiety. What is this medication? CLONAZEPAM (kloe NA ze pam) treats seizures. It is also used to treat panic disorder. It works by helping your nervous system calm down. It belongs to a group of medications called benzodiazepines. Find patient medical information for Clonazepam (Klonopin) on WebMD including its uses, side effects and safety, interactions, pictures, warnings, and user ratings 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. Learn about the side effects of clonazepam, from common to rare, for consumers and healthcare professionals. 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 to treat seizures and panic disorder. Learn about side effects, drug interactions, dosages, warnings, and more. Clonazepam Contents 1 Administration 2 Adult Dosing 3 Pediatric Dosing 4 Special Populations 4.1 Pregnancy Rating 4.2 Lactation risk 4.3 Renal Dosing 4.4 Hepatic Dosing 5 Adverse Reactions 5.1 Serious 5.2 Common 6 Pharmacology 7 Mechanism of Action 8 Comments 9 See Also 10 References Clonazepam is used to control certain types of seizures. It is also used to treat panic attacks (sudden, unexpected attacks of extreme fear and worry about these attacks). Clonazepam is in a class of medications called benzodiazepines. It works by decreasing abnormal electrical activity in the brain. How should this medicine be used?.