Klonopin^® (clonazepam) is approved to treat certain types of epileptic seizures and panic disorder and works by enhancing the naturally calming effects of a certain chemical in the brain. The medication is available as a regular tablet or as an orally disintegrating tablet. Generally, Klonopin is taken two or three times a day. It is possible to take too much Klonopin. Be sure to seek immediate medical attention if you think you may have overdosed on Klonopin. Some signs of a Klonopin overdose can include slow reflexes, drowsiness, and confusion.