Caudal Bupivacaine Dose Paediatric — FRCA Final MCQ

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ModeratePaediatric AnaesthesiaCaudal Bupivacaine Dose PaediatricFRCA Final

A 4-year-old child (16 kg) needs caudal block. Maximum dose of bupivacaine 0.25% and what volume?

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Correct answer: C — 2 mg/kg regardless of volume

Maximum bupivacaine: 2 mg/kg. Using 0.25% (2.5 mg/mL): max volume = 2/2.5 = 0.8 mL/kg. For 16 kg: 32 mg max (12.8 mL). Standard: 0.5 mL/kg sacral, 1.0 mL/kg lumbar, 1.25 mL/kg thoracic — but always check mg/kg ceiling.

Reference: APAGBI – 2023 – Paediatric regional anaesthesia