Galantamine improves the function of nerve cells in the brain. It works by preventing the breakdown of a chemical called acetylcholine (ah see til KO leen). People with dementia usually have lower levels of this chemical, which is important for the processes of memory, thinking, and reasoning.

Galantamine is used to treat mild to moderate dementia caused by Alzheimer’s disease.

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  • Razadyne, Razadyne ER, Reminyl
  • Less common
    Chest pain or discomfort
    lightheadedness, dizziness, or fainting
    shakiness in the legs, arms, hands, or feet
    shortness of breath
    slow or irregular heartbeat
    unusual tiredness
    Rare
    Blurred vision
    confusion
    decreased urination
    dizziness, faintness, or lightheadedness when getting up suddenly from a lying or sitting position
    dry mouth
    fainting
    fast, irregular, pounding, or racing heartbeat or pulse
    feeling of warmth
    rapid breathing
    redness of the face, neck, arms, and occasionally, upper chest
    sunken eyes
    sweating
    thirst
    troubled breathing
    unusual tiredness or weakness
    wrinkled skin
    Incidence not known
    Blistering, peeling, or loosening of the skin
    chills
    cough
    dark urine
    fever
    general tiredness and weakness
    headache
    hoarseness
    irritation
    joint pain, stiffness, or swelling
    light-colored stools
    nausea and vomiting
    nervousness
    pounding in the ears
    rash, hives, or itching skin
    red skin lesions, often with a purple center
    red, irritated eyes
    redness of the skin
    swelling of the eyelids, face, lips, hands, or feet
    tightness in the chest
    troubled swallowing
    upper right abdominal or stomach pain
    yellow eyes and skin
    If any of the following symptoms of overdose occur while taking galantamine, get emergency help immediately:

    Symptoms of overdose
    Confusion
    convulsions
    irregular, fast or slow, or shallow breathing
    muscle weakness
    pale or blue lips, fingernails, or skin
    severe nausea
    stomach cramps
    sweating
    tearing of the eyes
    twitches of the muscle visible under the skin
    vomiting
    Some of the side effects that can occur with galantamine 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
    Decreased appetite
    weight loss
    Less common
    Acid or sour stomach
    belching
    discouragement
    feeling sad or empty
    general feeling of discomfort or illness
    heartburn
    increased sweating
    indigestion
    irritability
    lack of appetite
    lack or loss of strength
    loss of interest or pleasure
    muscle spasms
    stomach discomfort, upset, or pain
    trouble concentrating
    trouble sleeping
    unusual drowsiness, dullness, tiredness, weakness, or feeling of sluggishness
    Rare
    Burning, crawling, itching, numbness, prickling, "pins and needles", or tingling feelings
    change in taste
    dry heaves
    loss of taste
    unusually deep sleep
    unusually long duration of sleep
    Incidence not known
    Continuing ringing or buzzing or other unexplained noise in the ears
    hearing loss
    seeing, hearing, or feeling things that are not there
  • (oral solution, oral capsule, extended release, oral tablet)