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    Methanol poisoning

    Wood alcohol poisoning

    Methanol is a nondrinking type of alcohol used for industrial and automotive purposes. This article discusses poisoning from an overdose of methanol.

    This is for information only and not for use in the treatment or management of an actual poison exposure. If you have an exposure, you should call your local emergency number (such as 911) or 1-800-222-1222 for a local poison control center.

    Poisonous Ingredient

    Methyl alcohol

    Where Found

    • Antifreeze
    • Canned heating sources
    • Copy machine fluids
    • Deicing fluid
    • Fuel additives (octane boosters)
    • Paint remover or thinner
    • Shellac
    • Varnish
    • Windshield wiper fluid

    Note: This list may not be all inclusive.

    Symptoms

    Symptoms may include:

    • Airway and lungs
      • Breathing difficulty
      • No breathing
    • Eyes
      • Blindness
      • Blurred vision
      • Dilation of the pupils
    • Heart and blood
      • Convulsions
      • Low blood pressure
    • Nervous system
      • Agitated behavior
      • Coma
      • Dizziness
      • Headache
      • Seizures
    • Skin and nails
      • Bluish-colored lips and fingernails
    • Stomach and intestines
      • Abdominal pain (severe)
      • Diarrhea
      • Liver function problems
      • Nausea
      • Pancreatitis
      • Vomiting
    • Other
      • Fatigue
      • Leg cramps
      • Weakness

    Home Care

    Seek immediate medical help. DO NOT make a person throw up unless told to do so by Poison Control or a health care professional.

    Before Calling Emergency

    Determine the following information:

    • Patient's age, weight, and condition
    • Name of the product (ingredients and strengths, if known)
    • Time it was swallowed
    • Amount swallowed

    Poison Control

    In the United States, call 1-800-222-1222 to speak with a local poison control center. This hotline number will let you talk to experts in poisoning. They will give you further instructions.

    This is a free and confidential service. All local poison control centers in the United States use this national number. You should call if you have any questions about poisoning or poison prevention. You can call 24 hours a day, 7 days a week.

    What to Expect at the Emergency Room

    The health care provider will measure and monitor the patient's vital signs, including temperature, pulse, breathing rate, and blood pressure. The patient may receive:

    • Dialysis
    • Medicine (antidote) to reverse the effect of the poison (fomepizole or ethanol)
    • Medicines to treat symptoms
    • Tube through the nose or mouth into the stomach to wash out the stomach (gastric lavage)
    • Oxygen and breathing support
    • Other medications (folinic acid, bicarbonate)

    Outlook (Prognosis)

    Methanol is extremely poisonous. As little as 2 tablespoons can be deadly to a child. About 2 to 8 ounces can be deadly for an adult. Blindness is common and often permanent despite medical care. How well the person does depends on how much poison is swallowed and how soon treatment is received.

    References

    Goldfrank LR, ed. Goldfrank's Toxicologic Emergencies. 9th ed. New York, NY: McGraw Hill; 2011.

    Marx J. Rosen’s Emergency Medicine: Concepts and Clinical Practice. 6th ed. St. Louis, Mo: Mosby; 2006: 2395-2398.

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          Self Care

            Tests for Methanol poisoning

            Review Date: 1/30/2013

            Reviewed By: Eric Perez, MD, St. Luke's / Roosevelt Hospital Center, NY, NY, and Pegasus Emergency Group (Meadowlands and Hunterdon Medical Centers), NJ. Review provided by VeriMed Healthcare Network. Also reviewed by A.D.A.M. Health Solutions, Ebix, Inc., Editorial Team: David Zieve, MD, MHA, Bethanne Black, Stephanie Slon, and Nissi Wang.

            The information provided herein should not be used during any medical emergency or for the diagnosis or treatment of any medical condition. A licensed medical professional should be consulted for diagnosis and treatment of any and all medical conditions. Links to other sites are provided for information only -- they do not constitute endorsements of those other sites. © 1997- A.D.A.M., Inc. Any duplication or distribution of the information contained herein is strictly prohibited.
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