Propoxyphene was withdrawn from the U.S. market in November 2010.

Propoxyphene is in a group of drugs called narcotic pain relievers.

Propoxyphene is used to relieve mild to moderate pain.

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  • Darvon, Darvon-N
  • Rare
    Abdominal or stomach pain
    chills
    clay-colored stools
    dark urine
    dizziness
    fever
    headache
    itching
    loss of appetite
    nausea
    rash
    unpleasant breath odor
    unusual tiredness or weakness
    vomiting of blood
    yellow eyes or skin
    Incidence not known
    Bloating
    bloody or black, tarry stools
    bloody or cloudy urine
    change in consciousness
    chest pain or discomfort
    confusion
    constipation
    darkened urine
    decreased urine output
    difficult or troubled breathing
    dilated neck veins
    drowsiness
    extreme fatigue
    fainting
    fast, slow, pounding, or irregular heartbeat or pulse
    fever with or without chills
    hives
    hoarseness
    indigestion
    irregular, fast or slow, or shallow breathing
    irritation
    itching
    joint pain, stiffness, or swelling
    light-colored stools
    loss of consciousness
    muscle tremors
    no blood pressure or pulse
    no breathing
    pain or discomfort in the arms, jaw, back, or neck
    pains in the stomach, side, or abdomen, possibly radiating to the back
    pale or blue lips, fingernails, or skin
    rapid, deep breathing
    redness of the skin
    restlessness
    right upper abdominal or stomach pain and fullness
    severe stomach pain
    shakiness and unsteady walk
    shortness of breath
    stomach cramps
    stopping of the heart
    sudden decrease in the amount of urine
    swelling of the eyelids, face, fingers, lips, hands, lower legs, or feet
    thoughts of suicide
    tightness in the chest
    troubled breathing or swallowing
    unconsciousness
    unsteadiness, trembling, or other problems with muscle control or coordination
    vomiting of blood or material that looks like coffee grounds
    weight gain
    wheezing
    If any of the following symptoms of overdose occur while taking propoxyphene, get emergency help immediately:

    Symptoms of overdose
    Bluish color of the fingernails, lips, skin, palms, or nail beds
    convulsion
    coughing that sometimes produces a pink frothy sputum
    decreased awareness or responsiveness
    difficult, fast, or noisy breathing, sometimes with wheezing
    dilated pupils
    muscle tremors
    pale skin
    pounding or rapid pulse
    rapid, deep breathing
    severe sleepiness
    sleepiness or unusual drowsiness
    slow to respond
    slurred speech
    weight loss
    Some of the side effects that can occur with propoxyphene 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
    Relaxed and calm
    Incidence not known
    Abnormal behavior
    blurred or loss of vision
    diarrhea
    disturbed color perception
    double vision
    false or unusual sense of well-being
    halos around lights
    mental depression or anxiety
    muscular pain, tenderness, wasting, or weakness
    night blindness
    nightmares or unusually vivid dreams
    overbright appearance of lights
    seeing, hearing, or feeling things that are not there
    swelling of the eye
    tunnel vision
  • (oral tablet, oral capsule)