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
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kidney or liver disease;
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glaucoma;
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high blood pressure or heart disease; or
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poor circulation.
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.
Take acetaminophen, dichloralphenazone, and isometheptene exactly as directed by your doctor or follow the instructions on the package. If you do not understand these instructions, ask your pharmacist, nurse, or doctor to explain them to you.
Take each dose with a full glass of water.
Never take more acetaminophen, dichloralphenazone, and isometheptene than is prescribed for you. If your pain is not being adequately treated, talk to your doctor.
Do not share this medication with anyone else.
Store this medication at room temperature away from heat, moisture, and the reach of children.
Take the missed dose as soon as you remember.
If you are taking acetaminophen, dichloralphenazone, and isometheptene on an as-needed basis, missing a dose is not usually a problem. Take the missed dose as soon as you remember and do not take another dose for the amount of time prescribed by your doctor.
If you experience any of the following serious side effects, stop taking acetaminophen, dichloralphenazone, and isometheptene and seek emergency medical attention:
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an allergic reaction (difficulty breathing; closing of your throat; swelling of your lips, tongue, or face; or hives);
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liver damage (yellowing of the skin or eyes, abdominal pain); or
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blood problems (easy or unusual bleeding or bruising).
These side effects are very rare and are not likely to occur during proper treatment with acetaminophen, dichloralphenazone, and isometheptene.
Other, less serious side effects may be more likely to occur. Continue to take acetaminophen, dichloralphenazone, and isometheptene and talk to your doctor if you experience
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nausea;
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dizziness, tiredness, or lightheadedness; or
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a rash.
Side effects other than those listed here may also occur. Talk to your doctor about any side effect that seems unusual or that is especially bothersome.
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.
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.
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.
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.
Dichloralphenazone may increase the effects of other drugs that cause drowsiness, including antidepressants, alcohol, antihistamines, sedatives (used to treat insomnia), pain relievers, anxiety medicines, and muscle relaxants. Tell your doctor about all medicines that you are taking, and do not take any medicine unless your doctor approves.
Many other medicines contain acetaminophen, especially over-the-counter pain, fever, cold, and allergy medications. Too much acetaminophen can be very dangerous.
Drugs other than those listed here may also interact with acetaminophen, dichloralphenazone, and isometheptene. Talk to your doctor and pharmacist before taking any prescription or over-the-counter medicines.
Seek emergency medical attention.
Symptoms of an acetaminophen, dichloralphenazone, and isometheptene overdose are unknown but drowsiness and dizziness would be expected.