The brand name Rivotril refers to the benzodiazepine medicine clonazepam. Clonazepam is frequently given to treat a number of illnesses, such as panic disorder, epilepsy, and several movement disorders. It functions similarly to other benzodiazepines in that it produces a soothing and relaxing effect by amplifying the actions of the neurotransmitter gamma-aminobutyric acid (GABA) in the brain.