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Composition for NACFIL

Acetyl Cysteine(600mg)

food interaction for NACFIL

alcohol interaction for NACFIL

pregnancy interaction for NACFIL

lactation interaction for NACFIL

It can be taken with or without food, but it is better to take Nacfil solution at a fixed time.
Interaction with alcohol is unknown. Please consult your doctor.
Nacfil solution is probably safe to use during pregnancy.
Either animal studies have shown no adverse effect on the fetus, but there is no human studies or animal studies have shown an adverse effect that was not confirmed in human studies. Please consult your doctor.
Unknown. Human and animal studies are not available. Please consult your doctor.


Acetyl Cysteine(600mg)


Nacfil solution is used for the treatment of liver toxicity caused by paracetamol overdose. It is also used to thin and loosen the mucus in the airway due to certain lung diseases (bronchitis, pneumonia) and for the relief of dry eye syndromes associated with deficient tear secretion.

How it works

Nacfil solution acts against the chemicals ( metabolites) that are produced during paracetamol overdose. In lung diseases, it helps in thinning the mucus which helps in clearing the mucus from the lungs.

Common side effects

Nausea, Drowsiness, Bronchospasm, Chest tightness, Oral ulcer, Diarrhoea, Fever, Coughing up blood, Respiratory tract infection, Running nose, Thickened respiratory tract secretions, Vomiting


No substitutes found

Expert advice for NACFIL

  • 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 for NACFIL

Acetyl Cysteine

Q. What are n acetyl cysteine/Fourts-B/Mucinac 600 mg/Mucinac/Nefrosave/Nefrosave Forte used for?
These are brand names of acetyl cysteine. Nefrosave/Nefrosave Forte is used for the treatment of liver toxicity due to paracetamol overdose; Mucinac 600 mg/Mucinac/are used to thin and loosen the mucus in the airway due to certain lung diseases. Fourt-B is combination of acetyl cysteine and multivitamins, and is used for both treatment of paracetamol overdose and in acute cough with excessive or viscous mucus.
Q. What is Nacfil Forte/Nacfil/Ovacare Forte used for?
Nacfil Forte/Nacfil/Ovacare Forte contains acetyl cysteine, but it is used for the treatment of certain lung diseases. Always consult your doctor regarding its use.
Q. Does n-acetyl cysteine increase glutathione? 
Yes, n-acetyl cysteine increases glutathione.
Q. Does n-acetyl cysteine cause weight gain?
N-acetyl cysteine causing this side effect is rare or uncommon. However, consult your doctor if you experience any of these side effects.
Q. How does n-acetyl cysteine work?
n-Acetyl cysteine works as antidote by reducing liver toxicity of NAPQI (n-acetyl-p-benzo-quinoneimine), a metabolic substance that is produced following high dose of paracetamol. It also helps in thinning the mucus which helps in clearing the mucus from the lungs.


Content on this page was last updated on 27 February, 2016, by Dr. Varun Gupta (MD Pharmacology)