A 52-year-old man presents with watery diarrhoea and abdominal cramps after returning from holiday. He is passing six watery stools per day, has no blood in the stool and is not systemically unwell. What is the most appropriate initial management?AOral rehydration and symptomatic treatment without antibioticsBEmpirical broad-spectrum antibiotics for all casesCImmediate colonoscopyDHigh-dose Loperamide in suspected infective diarrhoea with feverENo fluids until diarrhoea stopsCheck my answer