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Related terms
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    Related terms
    • U.S. Brand Names: Acetadote®
    • Canadian Brand Names: Acetylcysteine Solution;Mucomyst®;Parvolex®
    • Mexican Brand Names: ACC
    • Pharmacologic Category: Antidote;Mucolytic Agent

    • It is used to stop damage after acetaminophen overdose.
    • It is used to stop kidney damage caused by dye studies.
    • It is used to thin secretions so they can be removed from the body by coughing.
    • Acetylcysteine thins fluids in the lungs.
    • It stops not safe chemicals from forming.


    How to take

    • Liquid for breathing in:
    • For breathing in only as a liquid (solution) through a special machine (nebulizer) into the lungs.
    • Injection:
    • It is given as a shot into a vein over a period of time.
    • Oral:
    • Mix with juice or soda and drink.
    • Drink plenty of noncaffeine-containing liquid unless told to drink less liquid by doctor.

    Missed Dose

    • Use a missed dose as soon as you think about it.
    • If it is close to time for the next dose, skip the missed dose and return to your normal time.
    • Do not use two doses or extra doses.
    • Many times this drug is taken on an as needed basis.


    • Liquid for breathing in:
    • Store opened vials in a refrigerator. Throw away any part not used after 4 days.
    • Injection:
    • This drug will be given to you in a doctor office setting. You will not store it at home.



    • If you have an allergy to acetylcysteine or any other part of this drug.
    • Tell doctor if you are allergic to any drugs. Make sure to tell about the allergy and what signs you had. This includes telling about rash; hives; itching; shortness of breath; wheezing; cough; swelling of face, lips, tongue, or throat; or any other signs involved.


    • Wear disease medical alert ID (identification).
    • Check drugs with doctor. This drug may not mix well with other drugs.
    • Tell doctor if you are pregnant or plan on getting pregnant.
    • Tell doctor if you are breast-feeding.

    Side Effects

    • Upset stomach or throwing up. Small frequent meals, frequent mouth care, sucking hard, sugar-free candy, or chewing sugar-free gum may help.
    • Cough.


    • Change in health problem being treated. Is it better, worse, or about the same?
    • Follow up with doctor.

    Contact a healthcare provider

    • If you suspect an overdose, call your local poison control center or ER right away.
    • Signs of a very bad reaction to the drug. These include wheezing; chest tightness; fever; itching; bad cough; blue skin color; fits; or swelling of face, lips, tongue, or throat.
    • Trouble breathing.
    • Very upset stomach or throwing up.
    • Any rash.
    • Health problem is not better or you are feeling worse.

    General Statements

    • If you have a very bad allergy, wear allergy ID at all times.
    • Do not share your drugs with others and do not take anyone else's drugs.
    • Keep all drugs out of the reach of children and pets.
    • Most drugs can be thrown away in household trash after mixing with coffee grounds or kitty litter and sealing in a plastic bag.
    • In Canada return any unused drugs back to the pharmacy. Also, visit http://www.hc-sc.gc.ca/hl-vs/iyh-vsv/med/disposal-defaire-eng.php#th for more facts about the right way to get rid of unused drugs.
    • Keep a list of all your drugs (prescription, natural products, supplements, vitamins, OTC) with you. Give this list your doctor.
    • Call your doctor for health help about side effects. You may also call the FDA at 1-800-FDA-1088 or in Canada to Health Canada's Canada Vigilance Program at 1-866-234-2345.
    • Talk with doctor before starting any new drug, including OTC, natural products, or vitamins.

    Author information
    • Copyright © 1978-2010 Lexi-Comp Inc. All rights reserved.

    Copyright © 2011 Natural Standard (www.naturalstandard.com)

    The information in this monograph is intended for informational purposes only, and is meant to help users better understand health concerns. Information is based on review of scientific research data, historical practice patterns, and clinical experience. This information should not be interpreted as specific medical advice. Users should consult with a qualified healthcare provider for specific questions regarding therapies, diagnosis and/or health conditions, prior to making therapeutic decisions.

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