31st July 2023

A 25-year-old man presents with a 4-week history of diarrhoea associated with abdominal bloating and cramping pain

A 25-year-old man presents with a 4-week history of diarrhoea associated with abdominal bloating and cramping pain. He has no past medical history of note, and recently returned from a backpacking holiday in Brazil. He has lost over a stone in weight and is very concerned.

What is the most likely diagnosis?

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