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Clinical Calculator

Pediatric Fever Dose Calculator — Paracetamol/Ibuprofen

Calculate the correct pediatric dosage in mg and mL for Paracetamol and Ibuprofen based on your child's weight.

*Warning: Always verify the concentration on your medication bottle before dosing.*
Paracetamol (Crocin / Tylenol)
Dose: 15 mg/kg
- mg
- 120mg/5mL: - mL
- 250mg/5mL: - mL
- Drops 100mg/mL: - mL
Frequency: Every 4-6 hours (Max 4 times/day)
Ibuprofen (Ibugesic / Motrin)
Dose: 10 mg/kg
- mg
- 100mg/5mL: - mL
- Drops 40mg/mL: - mL
Frequency: Every 6-8 hours (Max 3 times/day)

Safe Pediatric Medication Dosing

Calculating the correct dosage of fever-reducing medications (antipyretics) is crucial for child safety. Pediatric dosages are determined by the child's weight, not their age.

Standard Clinical Guidelines

  • Paracetamol (Acetaminophen): The standard dose is 10 to 15 mg/kg per dose. It can be given every 4 to 6 hours, with a maximum of 4 doses in 24 hours. Common liquid concentrations include 120mg/5mL, 250mg/5mL, and infant drops (100mg/mL).
  • Ibuprofen: The standard dose is 5 to 10 mg/kg per dose. It can be administered every 6 to 8 hours, with a maximum of 3 doses in 24 hours. Ibuprofen should only be given to infants 6 months or older.

Dosing Safety Tips

Always use the measuring syringe or cup provided with the medication. Do not use household spoons, as they are inaccurate and increase the risk of dosing errors.

Frequently Asked Questions

Alternating these medications can be done under pediatric guidance for high fevers, but it increases the risk of dosing errors. Always consult a pediatrician first.
Ibuprofen is recommended only for infants aged 6 months or older, unless explicitly prescribed by a pediatrician.
If your child spits up the medication immediately, do not give another dose right away without consulting a healthcare professional to avoid accidental overdose.
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Medically Reviewed by
Dr. Sarah Jenkins, MD, FACP
Specialty: Internal Medicine
Affiliation: Stanford University School of Medicine
Medical Council License #IM-4091A

Dr. Sarah Jenkins is an Associate Professor of Medicine specializing in clinical immunology and public health education.

⚠️ Clinical Disclaimer: This tool is provided for educational and screening purposes only. It is not a substitute for professional clinical judgement, diagnosis, or treatment plans. Always discuss clinical findings with a qualified physician.

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