Buy Clonazepam Online With or Without Prescription What is clonazepam used for? Clonazepam is a prescription drug and should only be used after the doctor’s approval. The central role of this drug is to treat medical conditions such as panic disorder and seizures. However, medical authorities can combine this drug with other medications too to deal with other health disorders. Still, you should use it for off-label uses only when you are directed for its consumption. In case if you have it for non-directed purposes without a doctor’s approval. So, you will be held responsible for future outcomes.