9th September 2024

A 25-year-old male has been referred to ambulatory care by the emergency department registrar

A 25-year-old male has been referred to ambulatory care by the emergency department registrar. The patient presents with blood in his stool, and he is passing up to 6 stools a day. He is systemically well. He commenced treatment and was later discharged. He re-presents a few days after with dark urine, nausea, and vomiting. He appears jaundiced. You suspect he may have G6PD deficiency. Which medication contributed to his presentation?

Select the SINGLE most appropriate option from the list below. Select ONE option only.