Fioricet Side effects cannot be anticipated. If any develop or change in intensity, tell your doctor as soon as possible. Only your doctor can determine if it is safe for you to continue taking this drug. Fioricet Side effects may include: fatal skin reactions, seizure, confusion, depression, excitement, stomach pain, dizziness, drowsiness, intoxicated feeling, lightheadedness, nausea, sedation, shortness of breath, vomiting, excessive sweating.
Commonly reported side effects for Fioricet include:
- Intoxicated feeling
- Substance dependence
- Shortness of breath
- Abdominal pain
Fioricet is implicated as causing repeat headaches with over-use.