Rivotril 2mg is the best option for you if you are suffering with anxiety attacks or seizures. It can be really difficult to face frequent seizures and panic attacks, Rivotril 2mg reduces the frequency of seizures over time and calms us down when we are feeling anxiety. Klonopin Rivotril comes under the class of benzodiazepines and works by acting on the central nervous system. It increases the GABA chemicals that controls anxiety naturally. People with insomnia can also use this medicine.