Klonopin or clonazepam is a brand name of a medication that is commonly prescribed to alleviate anxiety, panic disorders , and some forms of seizures. Yet, due to the long-term action and dependency caused by it, lots of people ask themselves: How long does Klonopin remain in your system? Knowing its effects, half-life and withdrawal dangers can make you or a loved one do the right things to safe use and recovery. What is Klonopin? Klonopin falls under a group of medications