Paracetamol Dosage Calculator
Calculate safe paracetamol (acetaminophen) dosing for children and adults
Patient Information & Medication Parameters
Patient's current age
Current body weight
Using pediatric dosing guidelines
Oral and rectal dosing are equivalent for paracetamol
Current selection: 120 mg per 5 mL (24.0 mg/mL)
Important Considerations
Recommended Dosage
Example Calculations
Pediatric Example - 4-year-old (20 kg)
Weight: 20 kg
Single dose calculation: 20 kg × 15 mg/kg = 300 mg per dose
Maximum daily dose: 20 kg × 60 mg/kg = 1,200 mg per day
Frequency: Every 4-6 hours, maximum 4 doses per day
Liquid volume: For 120mg/5mL suspension = 12.5 mL per dose
Adult Example - 70 kg adult
Weight: 70 kg
Single dose: 1,000 mg (standard adult dose)
Maximum daily dose: 4,000 mg per day
Chronic use limit: 2,500 mg per day
Frequency: Every 4-6 hours, maximum 4 doses per day
Dosing Guidelines
Pediatric Dosing
Per dose: 10-15 mg/kg
Max single dose: 20 mg/kg
Max daily: 60 mg/kg
Frequency: Every 4-6 hours
Max doses/day: 4
Adult Dosing
Per dose: 1,000 mg
Max single dose: 1,000 mg
Max daily: 4,000 mg
Chronic use: 2,500 mg/day
Frequency: Every 4-6 hours
Safety Information
Never exceed maximum daily dose
Wait at least 4 hours between doses
Oral and rectal doses are equivalent
Use proper measuring devices for liquids
Consult doctor for children under 3 months
When to Use Paracetamol
Fever Reduction
Effective antipyretic for children and adults
Pain Relief
Mild to moderate pain from headaches, toothaches, etc.
Safe Alternative
Gentler on stomach than NSAIDs like ibuprofen
Understanding Paracetamol Dosing
What is Paracetamol?
Paracetamol (also known as acetaminophen) is one of the most widely used analgesic (pain-relieving) and antipyretic (fever-reducing) medications worldwide. It's considered safe and effective when used appropriately and is often the first-choice medication for treating pain and fever in both children and adults.
Weight-Based Dosing
- •Pediatric doses are calculated based on body weight (mg/kg)
- •Standard pediatric dose: 10-15 mg/kg per dose
- •Maximum daily pediatric dose: 60 mg/kg/day
- •Adult standard dose: 1000 mg per dose
Administration Guidelines
Timing Guidelines
- • Give every 4-6 hours as needed
- • Maximum 4 doses per 24 hours
- • Wait at least 4 hours between doses
- • Can be given with or without food
Liquid Preparations
- • Always check concentration on bottle
- • Use provided measuring device
- • Common strengths: 120mg/5mL, 250mg/5mL
- • Never use household spoons
Critical Safety Note: This calculator provides guidance based on established medical guidelines, but should never replace professional medical advice. Always verify dosing with a healthcare provider, especially for children under 3 months or patients with liver conditions.
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Important Medical Disclaimer
This calculator is provided for educational and informational purposes only and should not be used as a substitute for professional medical advice, diagnosis, or treatment. Paracetamol dosing requires careful consideration of many factors including age, weight, liver function, and concurrent medications. For children under 3 months of age, always consult with a qualified pediatrician or healthcare provider before administering any medication. Never exceed the recommended dosage or frequency. Overdose can cause serious liver damage or death. In case of overdose or adverse reactions, seek immediate medical attention. This tool is based on established medical guidelines but cannot replace professional medical judgment.