About n acetylcysteine bp
Mucolytic; acetaminophen antidote
Used for
- Thins thick mucus in chronic respiratory conditions.
- Treats acetaminophen (paracetamol) overdose under medical supervision.
Usual adult dose
Mucus: 600 mg once daily. Acetaminophen overdose: dose varies by protocol and body weight.
Usual dose in children
Mucus: dosing depends on age and product. Acetaminophen overdose: specialist-directed, weight-based dosing.
Common side effects
- Nausea, vomiting, or diarrhea
- Unpleasant taste or smell
- Rash or itching
- Rarely, bronchospasm or severe allergic reaction
Important warnings
- Acetaminophen overdose requires urgent medical treatment; do not delay for symptoms.
- Use caution with asthma or a history of stomach ulcers.
- Effervescent products may contain substantial sodium.
- Stop and seek urgent care for breathing difficulty or facial swelling.
Pregnancy
Use only when clinically needed; pregnancy safety depends on the indication and treatment setting.
Breastfeeding
Generally considered compatible when medically needed; evidence is limited.
Interactions
- Nitroglycerin may cause greater headache and low blood pressure.
- Activated charcoal may reduce absorption when taken orally.
- Some antibiotics may interact; separating doses may be advised.
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 It may be incomplete or out of date.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.