Klonopin is part of the series of drugs called Benzodiazepines, which are used as depressants for the central nervous system. The drugs cause the central nervous system to slow down, as well as calming down the brain and nerves and how they work.
It takes affect within three months of starting to take it. Your doctor is the one that will decide for how long you take it and what the dose is. Only people who have a prescription should take it.