Acetaminophen is a pain reliever and a fever reducer.

Dichloralphenazone is a sedative that slows the central nervous system.

Isometheptene causes narrowing of blood vessels (vasoconstriction).

Acetaminophen, dichloralphenazone, and isometheptene is a combination medicine used to treat migraine headaches or severe tension headaches.

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  • Epidrin, Migragesic IDA, Nodolor, Midrin, Migrazone, Isocom, Migrapap, Amidrine, Migratine, Mitride, Migquin, Duradrin, I.D.A., Midchlor, Migrex, Alidrin, Iso-Acetazone, Migrin-A, Diacetazone
  • Severity: Moderate
    If any of the following side effects occur while taking acetaminophen / dichloralphenazone / isometheptene mucate, check with your doctor or nurse as soon as possible:

    Less common:
    Unusual tiredness or weakness
    Black, tarry stools
    blood in urine or stools
    pinpoint red spots on skin
    skin rash, hives, or itching
    sore throat and fever
    unusual bleeding or bruising
    yellow eyes or skin
    Symptoms of dependence on this medicine
    Headaches, more severe and/or more frequent than before
    Symptoms of acetaminophen overdose
    increased sweating
    loss of appetite
    nausea or vomiting
    pain, tenderness, and/or swelling in the upper abdominal (stomach) area
    stomach cramps or pain
    Severity: Minor
    Some of the side effects that can occur with acetaminophen / dichloralphenazone / isometheptene mucate may not need medical attention. As your body adjusts to the medicine during treatment these side effects may go away. Your health care professional may also be able to tell you about ways to reduce or prevent some of these side effects. If any of the following side effects continue, are bothersome or if you have any questions about them, check with your health care professional:

    More common:
    fast or irregular heartbeat
  • (oral capsule)