fioricet c.o.d - https://www.amasyamertur.com. Barbiturates are a central nervous system depressant, so taking extra Fioricet than prescribed can produce a Fioricet excessive that feels much like alcohol intoxication or extreme relaxation. Fioricet can have potentially harmful effects when taken along side other substances. Regular administration of Fioricet has a cumulative effect meaning side effects of the medication may be felt for longer. These unwanted effects can vary from mildly uncomfortable to extreme. Fioricet with Codeine may be beneficial for folks struggling to handle their ache, however comes with the next threat of abuse and the potential for harmful unwanted effects. Caffeine: Enhances the results of acetaminophen. Symptoms of an acetaminophen overdose include diarrhea, nausea, vomiting or increased sweating. They don’t cause nausea or vomiting and don’t get worse with motion.