Can you take a Xanax and Nor cos together?

Yes, you may take them together in small doses IF your physician prescribes them to be taken together. Taking them together enhances the sedative (drowsiness, decreased alertness, decreased blood pressure, heartrate and respiratory rate) effects of both. Take too much of each drug together, and you will probably become unconscious and you could die. Taking those drugs together sounds like an attempt at recreational use. Get help.