About acetaminophen
Analgesic and fever reducer
Used for
- Relieves mild to moderate pain, such as headache or toothache
- Reduces fever
Usual adult dose
500–1,000 mg every 4–6 hours as needed; maximum 4,000 mg in 24 hours from all sources.
Usual dose in children
Usually 10–15 mg/kg every 4–6 hours as needed; maximum 5 doses in 24 hours. Dose depends on age and weight.
Common side effects
- Usually well tolerated at recommended doses
- Rarely, rash or other allergic reactions
- Overdose can cause severe liver damage
Important warnings
- Check other medicines for paracetamol (also called acetaminophen) to avoid accidental overdose.
- Use caution with liver disease, heavy alcohol use, or prolonged regular use.
- Seek urgent help after an overdose, even if there are no symptoms.
Pregnancy
Generally considered suitable at recommended doses when needed; use the lowest effective dose for the shortest time.
Breastfeeding
Generally compatible with breastfeeding at recommended doses.
Interactions
- Warfarin: regular use may increase bleeding risk.
- Some seizure medicines and rifampicin can affect liver risk or paracetamol effects.
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 It may be incomplete or out of date.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.