Buy Clonazepam 1mg Online for Anxiety Clonazepam 1mg is a generic medication that helps treat panic disorder and even to stop seizures. Clonazepam is a prescription drug that is available as a brand name Klonopin in the market. Clonazepam is a controlled substance and comes as both an oral tablet and an oral disintegrating (dissolving) tablet. Why it’s used Clonazepam 1mg is used to control fits due to involuntary muscle spasms, epilepsy, panic disorder, and restless legs syndrome. It comes under the drug class known as benzodiazepines. Sometimes Clonazepam 1mg is used as a part of the combination therapy, which means the person has to take it with other medication.