fioricet drug coupon - https://www.amasyamertur.com/. Barbiturates are a central nervous system depressant, so taking more Fioricet than prescribed can produce a Fioricet excessive that feels similar to alcohol intoxication or excessive relaxation. Fioricet can have probably dangerous results when taken at the side of other substances. Regular administration of Fioricet has a cumulative effect that means side effects of the drugs could also be felt for longer. These unwanted effects can vary from mildly uncomfortable to severe. Fioricet with Codeine will be beneficial for people struggling to manage their ache, however comes with a better risk of abuse and the potential for harmful negative effects. Caffeine: Enhances the results of acetaminophen. Symptoms of an acetaminophen overdose include diarrhea, nausea, vomiting or elevated sweating. They don’t trigger nausea or vomiting and don’t get worse with motion.