What are the possible side effects of Fioricet (Apap/Butalbital/Caffeine)?
Get emergency medical help if you have any of these signs of an allergic reaction: hives; difficulty breathing; swelling of your face, lips, tongue, or throat. Stop using this medication and call your doctor at once if you have any of these serious side effects: fast, pounding, or uneven heartbeat feeling light-headed or short of breath nausea, stomach pain, low fever, loss of appetite, dark urine, clay-colored stools, jaundice (yellowing of the skin or eyes); or easy bruising or bleeding, unusual weakness, fever, chills, body aches, flu symptoms Less serious side effects may include: drowsiness dizziness,, confusion or lightheadedness dry mouth nausea, vomiting, stomach pain, loss of appetite feeling anxious or jittery drunk feeling; or headache This is not a complete list of side effects and others may occur. Tell your doctor about any unusual or bothersome side effect.
