A medicine Klonopin which has been approved by FDA and has successfully been tested can be used as the basic product for the treatment of epilepsy. This is where drugs like Klonopin comes really handy as it will evict anxiety and panic attacks. Treat panic attacks and anxiety by taking Klonopin. Klonopin not. The medicine acts by affecting the chemicals in brain which may be unbalanced and thus cause anxiety. Klonopin is used for treating panic disorders or seizures.