Yes, you can take KalmPro instead of Klonopin (clonazepam) for anxiety and panic attacks. You can also take KalmPro with Klonopin, but KalmPro was formulated to be taken alone for anxiety. Instructions on switching to KalmPro from other anxiety medications is found by clicking on the following link. Before starting KalmPro in combination with another medication, or switching from another medication to KalmPro, you should first consult with your doctor.