Fioricet 40mg may also be used for other purposes not listed in this medication guide.
Do not use Fioricet if you have used an MAO inhibitor such as isocarboxazid (Marplan),phenelzine (Nardil), rasagiline (Azilect), selegiline (Eldepryl, Emsam), or tranylcypromine(Parnate) within the past 14 days. Serious, life-threatening side effects can occur if you takeFioricet before the MAO inhibitor has cleared from your body.