Pediatric Dose Tricks: A Quick Reference Guide for Accurate Medication Dosing Volume 1: Paracetamol, Domperidone Syrup, Osia (Ondansetron), and ORS

table summarizing the dosing tricks for each drug discussed:

Drug	Concentration	Dosage Calculation
Paracetamol	Syrup: 120 mg/5 ml	Weight ÷ 2
	Drops: 100 mg/ml	Weight ÷ 10
Domperidone	Syrup: 5 mg/5 ml (1 mg/ml)	Weight ÷ 4
Osia (Ondansetron)	--	0.13-0.15 mg/kg
Oral Rehydration Solution (ORS)	--	Weight × 5 (Vomiting)
	--	Weight × 10 (Diarrhea)

Paracetamol Dosing Guide

Syrup (120 mg/5 ml):

• Dosage calculation: Weight divided by 2.

• Example: For a child weighing 8 kg, the dose is 8 divided by 2, which equals 4 ml.

Drops (100 mg/ml):

• Dosage calculation: Weight divided by 10.

• Example: For a child weighing 8 kg, the dose is 8 divided by 10, which equals 0.8 ml.
  

Domperidone Syrup

Concentration: 5 mg/5 ml (1 mg/ml)

• Dosage calculation: Weight divided by 4.

• Example: For a child weighing 8 kg, the dose is 8 divided by 4, which equals 2 ml.
  

Osia (Ondansetron)

Dosing: 0.13-0.15 mg/kg

• Example: For a child weighing 8 kg, the dose range is 0.13 multiplied by 8, which equals 1.04 mg to 0.15 multiplied by 8, which equals 1.2 mg.
  

Oral Rehydration Solution (ORS)

For Vomiting:

• Dosage calculation: Weight multiplied by 5.

• Example: For a child weighing 8 kg, the volume is 8 multiplied by 5, which equals 40 ml.

For Diarrhea:

• Dosage calculation: Weight multiplied by 10.

• Example: For a child weighing 8 kg, the volume is 8 multiplied by 10, which equals 80 ml.
  

Summary of Dosing Tricks

Paracetamol:

• Syrup (120 mg/5 ml): Weight divided by 2.

  • Example: 8 kg child = 4 ml.

• Drops (100 mg/ml): Weight divided by 10.

  • Example: 8 kg child = 0.8 ml.

Domperidone Syrup (1 mg/ml):

• Weight divided by 4.

  • Example: 8 kg child = 2 ml.

Osia (Ondansetron):

• 0.13-0.15 mg/kg.

  • Example: 8 kg child = 1.04 mg to 1.2 mg.

ORS:

• Vomiting: Weight multiplied by 5.

  • Example: 8 kg child = 40 ml.

• Diarrhea: Weight multiplied by 10.

  • Example: 8 kg child = 80 ml.
    

This guide provides a quick reference for calculating dosages of common medications based on the child’s weight. Always verify with clinical guidelines and consult with a healthcare professional if needed.