What is Fioricet?

Fioricet contains a combination of acetaminophen, butalbital, and caffeine. Acetaminophen is a pain reliever and fever reducer.

Butalbital is in a group of drugs called barbiturates. It relaxes muscle contractions involved in a tension headache. Caffeine is a central nervous system stimulant. It relaxes muscle contractions in blood vessels to improve blood flow.

Fioricet is used to treat tension headaches that are caused by muscle contractions.

Fioricet may also be used for purposes not listed in this medication guide.

Important information about Fioricet

Do not use Fioricet if you have used an MAO inhibitor such as furazolidone (Furoxone), isocarboxazid (Marplan), phenelzine (Nardil), rasagiline (Azilect), selegiline (Eldepryl, Emsam, Zelapar), or tranylcypromine (Parnate) in the last 14 days. A dangerous drug interaction could occur, leading to serious side effects.

Tell your doctor if you have ever had alcoholic liver disease (cirrhosis) or if you drink more than 3 alcoholic beverages per day. You may not be able to take medicine that contains acetaminophen. Do not take more Fioricet than is recommended. An overdose of acetaminophen can damage your liver or cause death. Ask a doctor or pharmacist before using any other cold, allergy, pain, or sleep medication. Acetaminophen (sometimes abbreviated as APAP) is contained in many combination medicines. Taking certain products together can cause you to get too much acetaminophen which can lead to a fatal overdose. Check the label to see if a medicine contains acetaminophen or APAP.

Avoid drinking alcohol. It may increase your risk of liver damage while taking Fioricet due to the acetaminophen component.

Before taking Fioricet

Do not use Fioricet if you have used an MAO inhibitor such as furazolidone (Furoxone), isocarboxazid (Marplan), phenelzine (Nardil), rasagiline (Azilect), selegiline (Eldepryl, Emsam, Zelapar), or tranylcypromine (Parnate) in the last 14 days. A dangerous drug interaction could occur, leading to serious side effects. Tell your doctor if you have ever had alcoholic liver disease (cirrhosis) or if you drink more than 3 alcoholic beverages per day. You may not be able to take medicine that contains acetaminophen. You should not take Fioricet if you are allergic to acetaminophen, butalbital, or caffeine, or if you have porphyria.

To make sure you can safely take Fioricet, tell your doctor if you have any of these other conditions:

• kidney disease,
• liver disease; or
• a history of mental illness or suicidal thoughts.

Butalbital may be habit forming and should be used only by the person it was prescribed for. Never share Fioricet with another person, especially someone with a history of drug abuse or addiction. Keep the medication in a place where others cannot get to it.

FDA pregnancy category C. It is not known whether Fioricet will harm an unborn baby. Tell your doctor if you are pregnant or plan to become pregnant while using this medication. Acetaminophen, butalbital, and caffeine can pass into breast milk and may harm a nursing baby. Do not use Fioricet without telling your doctor if you are breast-feeding a baby.

How should I take Fioricet?

Take Fioricet exactly as prescribed. Never take Fioricet in larger amounts, or for longer than recommended by your doctor. An overdose of this medication can damage your liver or cause death.Follow the directions on your prescription label. Tell your doctor if the medicine seems to stop working as well in relieving your pain. Take the medicine with food or milk if it upsets your stomach.

Store Fioricet at room temperature away from moisture and heat.

Keep track of the amount of Fioricet used from each new bottle. Butalbital is a drug of abuse and you should be aware if anyone is using your medicine improperly or without a prescription.

See also: Fioricet dosage (in more detail)

What happens if I miss a dose?

Since Fioricet is usually taken as needed, you may not be on a dosing schedule. If you are taking the medication regularly, take the missed dose as soon as you remember. Skip the missed dose if it is almost time for your next scheduled dose. Do not take extra medicine to make up the missed dose.

What happens if I overdose?

Seek emergency medical attention or call the Poison Help line at 1-800-222-1222.

The first signs of an acetaminophen overdose include loss of appetite, nausea, vomiting, stomach pain, sweating, and confusion or weakness. Later symptoms may include pain in your upper stomach, dark urine, and yellowing of your skin or the whites of your eyes.

Overdose symptoms may also include insomnia, restlessness, tremor, dizziness, drowsiness, diarrhea, increased sweating, shallow breathing, confusion, uneven heartbeats, seizure (convulsions), or coma.

What should I avoid while taking Fioricet?

Fioricet can cause side effects that may impair your thinking or reactions. Be careful if you drive or do anything that requires you to be awake and alert. Avoid drinking alcohol. It may increase your risk of liver damage while taking acetaminophen. Ask a doctor or pharmacist before using any other cold, allergy, pain, or sleep medication. Acetaminophen (sometimes abbreviated as APAP) is contained in many combination medicines. Taking certain products together can cause you to get too much acetaminophen which can lead to a fatal overdose. Check the label to see if a medicine contains acetaminophen or APAP.

While you are taking Fioricet, avoid taking diet pills, caffeine pills, or other stimulants (such as ADHD medications) without your doctor's advice.