5th March 2024

A 32-year-old man presents to the emergency department with weight loss and fatigue.

A 32-year-old man presents to the emergency department with weight loss and fatigue. Over the past week he has been experiencing bloody diarrhoea and abdominal pain. This is a suspected flare up of this man’s Crohn’s disease, which was currently being controlled with azathioprine until this admission. He has a past medical history of Crohn’s and well controlled asthma.

Please prescribe one medication that would be most suitable for treating this patient.