What is the most important information I should know about acetaminophen, dichloralphenazone, and isometheptene?
Use caution when driving, operating machinery, or performing other hazardous activities.
Dichloralphenazone may cause drowsiness or dizziness. If you experience drowsiness or dizziness,
avoid these activities.
Avoid alcohol. Alcohol taken during therapy with
acetaminophen, dichloralphenazone, and
isometheptene can be very damaging to your liver and can increase drowsiness and dizziness.
Never take more acetaminophen, dichloralphenazone, and isometheptene than is prescribed
for you. If your pain is not being adequately treated, talk to your doctor.
Avoid other over-the-counter and prescription products that contain acetaminophen. Too much
acetaminophen could be dangerous. Talk to your doctor or pharmacist before taking any
over-the-counter preparations.
What is acetaminophen, dichloralphenazone, and isometheptene?
Acetaminophen is a pain reliever and a fever reducer.
Dichloralphenazone is a sedative that slows down your central nervous system (brain and nerve
impulses), causing relaxation and pain relief.
Isometheptene causes constriction (narrowing) of blood vessels (arteries and veins). This is
important in the treatment of headaches.
The combination, acetaminophen, dichloralphenazone, and isometheptene, is used to treat
tension (or muscle contraction) and vascular (migraine) headaches.
Acetaminophen, dichloralphenazone, and isometheptene may also be used for purposes other
than those listed in this medication guide.
What should I discuss with my healthcare provider before taking acetaminophen, dichloralphenazone, and isometheptene?
Do not take acetaminophen, dichloralphenazone, and isometheptene without first talking to
your doctor if you drink more than three alcoholic beverages per day or if you have had
alcoholic liver
disease. You may not be able to take acetaminophen, dichloralphenazone, and isometheptene, or you
may require a lower dose.
Do not take acetaminophen, dichloralphenazone, and isometheptene if you have taken a
monoamine oxidase inhibitor (MAOI) such as
isocarboxazid (Marplan),
phenelzine (Nardil), or
tranylcypromine (Parnate) in the last 14 days. Dangerous side effects could result.
Before taking this medication, tell your doctor if you have
You may not be able to take acetaminophen, dichloralphenazone, and
isometheptene, or you may require a lower dose or special monitoring during treatment if you have any
of the conditions listed above.
It is not known whether acetaminophen, dichloralphenazone, and isometheptene will harm
an unborn baby.
Do not take this medication without first talking to your doctor if you
are pregnant.
It is also not known whether acetaminophen, dichloralphenazone, and isometheptene will
harm a breast-feeding baby. Do not take this medication without first talking to your
doctor if you are breast-feeding a baby.
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