I have been on Xanax for several years. In the past month my anxiety has intensified greatly. My dr put me on kolanapin 1 mg 2 times/day. How long does it take before I will feel some much needed relief from the kolanapin?? I'm use to the Xanax being quick acting. Feeling frustrated and overwhelmed.. Any help would greatly be appreciated! I'm so frustrated with my anxiety and I'm trying to be patient and let the meds work...