Temazepam may increase the risk of serious or life-threatening breathing problems, sedation, or coma if used along with certain Buy Temazepam 10mg & 20mg medications. Tell your doctor if you are taking or plan to take certain opiate medications for cough such as codeine (in Triacin-C, in Tuzistra XR) or hydrocodone (in Anexsia, in Norco, in Zyfrel)