How Long does it take Klonopin actively start to work after initially taking it?

18 Jun 2009

Klonopin has the second longest half life of all benzos only next to valium. So it takes a little longer to feel the initial effects of klonopin than say compared to xanax which has the shortest half life.

Most people won't feel the effects of klonopin in less than thirty minutes. It will probably take just a little longer than that.

28 Oct 2011

I have been taking Klonopin for almost 5 years now for my panic disorder. It takes about 45 mins- 1 hour for me to feel the effects of the medicine. If you are in a panic-you can always let the medicine dissolve under your tongue, and it will enter your bloodstream quicker. However, I have found it is most effective when swallowed and waiting the 45-60 mins.