2nd August 2023

A 31-year-old lady presents with a 3-day history of foul-smelling diarrhoea, bloating and crampy abdominal pain

A 31-year-old lady presents with a 3-day history of foul-smelling diarrhoea, bloating and crampy abdominal pain. She returned from Mexico 3 weeks ago, where she was attending a wedding with her fiancé. She is otherwise fit and well.

What is the most likely diagnosis?

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