Fioricet Prescription

The following drugs can interact with Fioricet. Tell your doctor if you are using any of these:

• an antibiotic;
• a blood thinner such as warfarin (Coumadin);
• isoniazid;
• zidovudine (Retrovir, AZT);
• seizure medication such as phenytoin (Dilantin) or phenobarbital (Luminal, Solfoton);
• gout medications such as probenecid (Benemid) or sulfinpyrazone;
• an MAO inhibitor such as isocarboxazid (Marplan), phenelzine (Nardil), rasagiline (Azilect), selegiline (Eldepryl, Emsam), or tranylcypromine (Parnate);
• steroids such as prednisone, fluticasone (Advair), mometasone (Asmanex, Nasonex), dexamethasone (Decadron, Hexadrol) and others; or
• an antidepressant such as amitriptyline (Elavil, Etrafon), clomipramine (Anafranil), desipramine (Norpramin), imipramine (Janimine, Tofranil), and others.

Fioricet Interaction with other drugs

Side Effects by Body System

Nervous system

Nervous system side effects including drowsiness, lightheadedness, dizziness, sedation, and an intoxicated feeling have been reported frequently from the use of butalbital. Headache and seizures have been reported infrequently. Mental confusion, excitement, or depression have also been reported due to either intolerance (primarily in elderly or debilitated patients) or due to an overdose of butalbital. 

General

General side effects including caffeinism have been reported. Consumption of higher doses of caffeine (>600 mg/day) has been reported to have lead to caffeinism. Caffeinism is a syndrome characterized by anxiety, restlessness, and sleep disorders (similar to anxiety states). It has also been reported that chronic, heavy caffeine ingestion may be associated with depression. Caffeine may cause anxiety and panic in panic disorder patients and may aggravate PMS. 

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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 Fioricet 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 Fioricet 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. Call your doctor for medical advice about side effects. You may report side effects to FDA at 1-800-FDA-1088. 

Fioricet Butalbital APAP Caffeine, Fioricet Pills for Migraine, Buy Fioricet Online

Fioricet® (Butalbital, Acetaminophen, and Caffeine Tablets USP) is supplied in tablet form for oral administration.

Each tablet contains the following active ingredients:
butalbital USP . . . . . . . . . . . .50 mg
acetaminophen USP . . . . . . 325 mg
caffeine USP . . . . . . . . . . . . .40 mg

Butalbital (5-allyl-5-isobutylbarbituric acid), is a short to intermediate-acting barbiturate. It has the following structural formula:

C₁₁H₁₆N₂O₃          Mol. wt. 224.26

Acetaminophen (4´-hydroxyacetanilide), is a non-opiate, non-salicylate analgesic and antipyretic. It has the following structural formula:

C₈H₉NO₂              Mol. wt. 151.17

Caffeine (1,3,7-trimethylxanthine), is a central nervous system stimulant. It has the following structural formula:

C₈H₁₀N₄O₂          Mol. wt. 194.19