Could Klonopin cause Diabetes? We studied Klonopin users who have side effects from FDA and eHealthme. Among them, have Diabetes. I took some benzodiazepines today, specifically clonazepam, and when I did my reading before supper it was higher than it should have been. Mar 16, - New medication added to my ever growing list: Clonazepam Told this will Enhance the effect of my: Amitriptyline Gabapentin Morphine.