What is Americet (Apap/Butalbital/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.

The combination of acetaminophen, butalbital, and caffeine is used to treat tension headaches that are caused by muscle contractions.

Acetaminophen, butalbital, and caffeine may also be used for other purposes not listed in this medication guide.

What should I discuss with my healthcare provider before taking Americet (Apap/Butalbital/Caffeine)?

Butalbital may be habit-forming and should be used only by the person it was prescribed for. This medication should never be shared with another person, especially someone who has a history of drug abuse or addiction. Keep the medication in a secure place where others cannot get to it.

Do not take this medication without first talking to your doctor if you drink more than three alcoholic beverages per day or if you have had alcoholic liver disease (cirrhosis). You may not be able to take medication that contains acetaminophen.

You should not take this medication if you are allergic to acetaminophen, butalbital, or caffeine, or if you have porphyria.

Before using acetaminophen, butalbital, and caffeine, tell your doctor if you are allergic to any drugs, or if you have:

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

If you have any of these conditions, you may need a dose adjustment or special tests to safely take this medication.

FDA pregnancy category C. It is not known whether acetaminophen, butalbital, and caffeine is harmful to an unborn baby. Before taking this medication, tell your doctor if you are pregnant or plan to become pregnant during treatment.

Acetaminophen, butalbital, and caffeine can pass into breast milk and may harm a nursing baby. Do not use this medication without telling your doctor if you are breast-feeding a baby.

Americet Side Effects

What are the possible side effects of Americet (Apap/Butalbital/Caffeine)?

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 this medication 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 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.

Americet Interactions

What other drugs affect Americet (Apap/Butalbital/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.

What should I avoid while taking Americet (Apap/Butalbital/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.

Americet Dosage

How should I take Americet (Apap/Butalbital/Caffeine)?

Take this medication exactly as prescribed by your doctor. Do not take it in larger amounts or for longer than recommended. 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.

An overdose of acetaminophen can cause serious harm. The maximum amount of acetaminophen for adults is 1 gram (1000 mg) per dose and 4 grams (4000 mg) per day. Taking more acetaminophen could cause damage to your liver. One tablet may contain up to 750 mg of acetaminophen. Know the amount of acetaminophen in the specific product you are taking.

Store this medication at room temperature away from moisture and heat.

Keep track of how much medicine has been used from each new bottle. Butalbital is a drug of abuse and you should be aware if any person in the household is using this medicine improperly or without a prescription.

What happens if I overdose on Americet (Apap/Butalbital/Caffeine)?

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 happens if I miss a dose of Americet (Apap/Butalbital/Caffeine)?

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.

Edited from everydayhealth.com