Rivotril 0.25 mg Tablet is used to treat seizures or fits due to epilepsy, panic disorder and involuntary muscle spasms. It may also be used to treat restless leg syndrome. It contains clonazepam, which works by increasing the level of a calming chemical in the brain. This helps relieve anxiety and seizures (fits). It also helps relax the tense muscles. Thereby, it aids in the treatment of seizures, panic disorder, and involuntary muscle spasms. In some cases, it may cause side effects such as drowsiness, dizziness, fatigue, and problems with memory, walking, and coordination. Before taking this medicine, you should tell your doctor if you are allergic to any of its components or if you are pregnant/breastfeeding, and about all the medications you are taking and pre-existing medical conditions.