Dosage needs to be appropriate for the strength given (Nurofen Syringe comes with medicine) :

Children 5- 7 years (18 - 22kg) 4.5 - 5.5ml
Children 7- 9 years (22 - 28kg) 5.5 - 7ml
Children 9- 12 years (28-40kg) 7 - 10ml

• Not for use in babies under 3 months of age.
• Do not exceed the recommended dose.
• Excessive use can be harmful and increase the risk of heart attack, stroke or liver damage.
• If your child\'s symptoms worsen or persist consult your doctor.
• Do not use if:
  • you or your child has a stomach ulcer, or other stomach disorders, kidney, liver or heart problems.
  • allergic to ibuprofen, aspirin or other anti-inflammatory medicines. Stop use and see your doctor immediately if you have an allergic reaction
  • you are in the last 3 months of pregnancy
• Unless a doctor has told you to, do not use:
  • if taking other medicines containing ibuprofen or other anti-inflammatory medicines or other medications.
  • if your child is under 12 months of age
  • for more than 3 days at a time
  • if you or your child have asthma
  • if you are trying to become pregnant or during the first 6 months of pregnancy
  • in children suffering from chickenpox (varicella)
  • in children suffering from dehydration through diarrhoea and/or vomiting
  • if you are aged 65 years or over