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Acetyl Cysteine



Acetyl Cysteine is used as mucolytic (loosen mucus in the airways)
It is also used as an antidote in paracetamol poisoning.

How it works

Acetyl cysteine works as mucolytic by dissolving thick mucus in the nose, windpipe, and lungs, making it easier to cough out. It also works as an antidote in paracetamol poisoning by restoring the body's supply of glutathione, a chemical that removes the harmful substance.

Common side effects

Skin rash, Itching

Available Medicine

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  • ₹50 to ₹200
    Cipla Ltd
    4 variant(s)
  • ₹50 to ₹590
    Samarth Life Sciences Pvt Ltd
    7 variant(s)
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    Zydus Cadila
    2 variant(s)
  • ₹49 to ₹200
    Fourrts India Laboratories Pvt Ltd
    5 variant(s)
  • ₹180
    Lupin Ltd
    1 variant(s)
  • ₹171
    Macleods Pharmaceuticals Pvt Ltd
    1 variant(s)
  • ₹179
    Intas Pharmaceuticals Ltd
    1 variant(s)
  • ₹179
    Koye Pharmaceuticals Pvt ltd
    1 variant(s)
  • ₹48 to ₹131
    Troikaa Pharmaceuticals Ltd
    2 variant(s)
  • ₹196
    Glenmark Pharmaceuticals Ltd
    1 variant(s)

Expert advice

  • Do not start or continue the acetyl cysteine if you are allergic to acetyl cysteine.
  • Consult your doctor before starting acetyl cysteine if you have lung diseases like asthma and bronchospasm.

Frequently asked questions

Acetyl Cysteine


What is acetylcysteine?
Acetylcysteine is used in the treatment of paracetamol poisoning and as a mucolytic agent in the treatment of different respiratory problems. It is a prescription drug and should only be used as per the doctor's advice.


What is acetylcysteine used for?
Acetylcysteine injection is used for the treatment of paracetamol overdose (where you may have taken too much paracetamol).
Acetylcysteine powder is used to treat breathing difficulties caused by too much mucus in the lungs and airways or the mucus being too thick and sticky to cough up easily.


How does acetylcysteine work?
Acetylcysteine works as an antidote that decreases liver toxicity by neutralizing the toxic substance produced after a high dose of paracetamol has been taken. It also helps in thinning the mucus which helps in clearing the mucus from the lungs.

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Does acetylcysteine increase glutathione?
Yes, acetylcysteine increases the glutathione levels.


Does acetylcysteine cause weight gain?
Weight gain has not been reported as a side effect with acetylcysteine. Ask your doctor in case you have weight gain while taking acetylcysteine.


What are the benefits of acetylcysteine?
Acetylcysteine is useful in the treatment of paracetamol poisoning and as a mucolytic agent in the treatment of different respiratory illnesses.


Where does acetylcysteine come from?
Acetylcysteine is an n-acetyl derivative of the endogenous amino acid L-cysteine.

Content on this page was last updated on 22 March, 2017, by Dr. Varun Gupta (MD Pharmacology)