About acetylcysteine
Mucolytic medicine
Used for
- Thins thick mucus in respiratory illnesses, helping make it easier to cough up.
Usual adult dose
For mucus-thinning, commonly 600 mg once daily; local product directions may differ.
Common side effects
- Nausea or vomiting
- Diarrhoea
- Stomach discomfort
- Rash
Important warnings
- Can rarely cause severe allergic reactions or breathing difficulty.
- Use caution with asthma; bronchospasm can occur.
- Effervescent tablets may contain sodium; check the label if limiting sodium.
Pregnancy
Use during pregnancy only when clearly needed; evidence is limited.
Breastfeeding
Information is limited; use only when needed and with professional guidance.
Interactions
- May affect absorption of some oral antibiotics; separate doses by about two hours when directed.
- Can increase blood-pressure-lowering effects of nitroglycerin.
AI-generated from general medical knowledge, not from this product's official leaflet. It may be incomplete or out of date. Not medical advice — ask a pharmacist or doctor before making any decision.