What are the side effects of Fioricet with codeine?

You may have an allergic reaction to the ingredients in Fioricet with Codeine: butalbital, acetaminophen, caffeine and codeine. Symptoms of an allergic reaction, which require immediate medical attention, include swelling of your lips, tongue or face; closing of your throat; difficulty breathing; or hives. If you have any of the following side effects, promptly report them to your doctor: shallow breathing or slow heart rate; fast or pounding heart rate or feeling short of breath; feeling lightheaded or fainting; confusion or unusual thoughts or behavior; muscle twitching; easy bruising or bleeding; nausea, stomach pain or loss of appetite; itching; dark urine or clay-colored stools; or jaundice (yellowing of the skin or eyes). Codeine products should not be given to children for pain relief after surgery to remove tonsils or adenoids, because of the risk of serious respiratory depression or even death. Other side effects are generally minor, and your doctor may suggest ways to alleviate them. They include: feeling dizzy, drowsy, shaky or agitated; mild nausea, vomiting, upset stomach, constipation or diarrhea; increased appetite; mood changes or sleep problems (insomnia); sweating or urinating more than usual; blurred vision; or dry mouth.

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Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.