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MediumInfectious DiseasesGiardiasisukmlamrcgp aktpaneprescribing safety assessment

A 29-year-old man presents with a 1-week history of watery diarrhoea, abdominal cramps, and low-grade fever after returning from a trip to Southeast Asia 10 days ago. Stool microscopy reveals cysts and trophozoites of Giardia lamblia. He has no significant past medical history. What is the recommended first-line treatment?

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