Ibuprofen Dosing for a 76 lb Girl
For a 76 pound (34.5 kg) girl, the recommended dose of ibuprofen is 200-345 mg every 6-8 hours, not to exceed 1380 mg per day. 1, 2
Dosage Calculation
- The standard pediatric dosing for ibuprofen is 5-10 mg/kg per dose 2
- For a 76 lb (34.5 kg) child:
- Frequency: Can be administered 3-4 times per day (every 6-8 hours) 2
- Maximum daily dose: 30-40 mg/kg/day = 1035-1380 mg/day 2
Administration Guidelines
- Ibuprofen should be taken with food to minimize gastrointestinal side effects 3
- Liquid formulations are available for easier administration if needed 3
- The duration of analgesic effect is approximately 6 hours for doses of 200 mg and higher 4
- For fever reduction, maximum effect occurs 3-4 hours after administration 1
Safety Considerations
- Ibuprofen has been shown to be well-tolerated in children, with fewer adverse effects than in adults 1, 3
- Ensure proper hydration when administering ibuprofen to prevent potential renal effects 2
- Short-term use (less than 10 days) at recommended doses has an excellent safety profile 5
- Avoid use if the child has:
Common Formulations
- Children's ibuprofen liquid: 100 mg/5 mL
- Junior strength tablets/chewables: 100 mg
- Adult tablets: 200 mg
Practical Dosing
For a 76 lb girl, the following doses would be appropriate:
- Children's liquid (100 mg/5 mL): 10-17.5 mL per dose
- Junior strength tablets: 2-3 tablets (200-300 mg) per dose
- Adult tablets: 1-1.5 tablets (200-300 mg) per dose 1, 2
Comparison to Other Analgesics
- Ibuprofen has been shown to be equally or more effective than acetaminophen (paracetamol) for pain relief and fever reduction in children 1, 4
- It has a longer duration of action (6 hours) compared to acetaminophen (4-6 hours) 4
- Ibuprofen has both analgesic and anti-inflammatory properties, making it particularly effective for pain associated with inflammation 3