Fioricet (Butalbital, Acetaminophen and Caffeine) Patient Information: Missed a Dose and What Should I Avoid at RxList

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May 27, 2012

Fioricet

Tension Headache »

Introduction

Tension headaches are the most common type of headaches among adults. They are commonly referred to as stress headaches.

A tension headache may appear periodically ("episodic," less than 15 days per month) or daily ("chronic," more than 15 days per month). An episodic tension headache may be described as a mild to moderate constant band-like pain, tightness, or pressure around the forehead or back of the head and neck.

These headaches may last from 30 minutes to several days. Episodic tension headaches usually begin gradually, and often occur in the middle of the day.

The "severity" of a tension headache increases significantly with its frequency. Chronic tension headaches come and go over a prolonged period of time. The pain is usually throbbing and affects the front, top, or sides of the head. Although the pain may vary in intensity throughout the day, the pain is almost always present. Chronic tension headaches do not affec...

Read the Tension Headache article »

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Fioricet Patient Information including If I Miss a Dose

What happens if I miss a dose?

Since this medication 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. If it is almost time for the next dose, skip the missed dose and wait until your next regularly scheduled dose. Do not use extra medicine to make up the missed dose.

What happens if I overdose?

Seek emergency medical attention if you think you have used too much of this medicine.

Overdose symptoms may include insomnia, restlessness, tremor, dizziness, drowsiness, nausea, vomiting, diarrhea, stomach pain, loss of appetite, increased sweating, shallow breathing, confusion, uneven heartbeats, seizure (convulsions), or coma.

What should I avoid while taking acetaminophen, butalbital, and caffeine?

This medication 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.

Tell your doctor if you regularly use other medicines that make you sleepy (such as cold or allergy medicine, narcotic pain medicine, sleeping pills, muscle relaxers, and medicine for seizures, depression, or anxiety). They can add to sleepiness caused by butalbital.

Avoid drinking alcohol. It can increase the risk of liver damage while you are taking acetaminophen. If you drink more than three alcoholic beverages per day, do not take acetaminophen without your doctor's advice, and never take more than 2 grams (2000 mg) of acetaminophen per day.

Do not use any other cold, allergy, pain, or sleep medication without first asking your doctor or pharmacist. Acetaminophen (sometimes abbreviated as "APAP") is contained in many combination medicines. If you use certain products together you may accidentally use too much acetaminophen. Read the label of any other medicine you are using to see if it contains acetaminophen or APAP.

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

What other drugs will affect acetaminophen, butalbital, and caffeine?

The following drugs can interact with acetaminophen, butalbital, and caffeine. 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.

This list is not complete and there may be other drugs that can interact with acetaminophen, butalbital, and caffeine. Tell your doctor about all your prescription and over-the-counter medications, vitamins, minerals, herbal products, and drugs prescribed by other doctors. Do not start a new medication without telling your doctor.

Where can I get more information?

Your pharmacist can provide more information about acetaminophen, butalbital, and caffeine.

Remember, keep this and all other medicines out of the reach of children, never share your medicines with others, and use this medication only for the indication prescribed.

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