Before you buy these Prescription pills or medications you should read the following brief description as well as the full description of this medicine that we have provided with the link above and to the right Fioricet (generic) is a prescription medication that's specifically designed to provide fast relief from tension headaches due to stress, anxiety, fatigue, poor posture, and/or overexertion. Use the "buy now" button in order to purchase the Fioricet prescription medication for tension headaches from the online pharmacy. Fioricet constricts dilated blood vessels that contribute to headache pain, and helps slow down nerve impulses so that you can relax. In order to be safe, you should read all of the Fioricet information before you buy these pills for tension headaches.