P. vivax Radical Cure — RACP Adult Medicine MCQ

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ModerateInfectious DiseasesP. vivax Radical CureRACP Adult Medicine

A 40-year-old woman with P. vivax. After chloroquine for acute infection, what additional treatment is required?

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Correct answer: A — Primaquine 14 days (hypnozoite elimination)

P. vivax/ovale: primaquine radical cure (14 days) eliminates hepatic hypnozoites preventing relapse. MUST check G6PD first.

Reference: eTG – 2025 – Antibiotic; WHO – 2022