Travellers’ Diarrhoea
Diarrhoea > 1 wk in 10% of patients, and > 1 month in 2%; ±20% of patients are confined to bed for 1–2 days; most diarrhoea in travellers is acquired orally and caused by the heat-stable and heat-labile toxins of E coli and Shigella spp; the intensity of infection depends on water supply quality, and previous host exposure and susceptibility
Management Rehydration, bismuth subsalicylate, narcotic analogs to slow the motility and T-S if antibiotics are required
Prevention Boiling, cooking, peeling