Side effects of Fioricet? from Jennifer Lorax's blog

The side effects of Fioricet are as follows:

• dizziness

• drowsiness

• sleep problems

• nausea

• vomiting

• abdominal pain

• constipation

• dry mouth

• tremor

• shortness of breath

• lightheadedness

• increased urination

• weight loss

• loss of appetite

• jaundice

• headache

• feelings of being intoxicated 

• anxiety

Acetaminophen present in this medicinemay cause a severe skin reaction in rare cases that can be fatal. Allergic reaction symptoms may include rash, itching or swelling, severe dizziness, and trouble breathing. Do not takethis medicine again if you have this type of reaction.