In adults doxycycline is the preferred antibiotic because only 1 dose is required whereas in children paediatric tablets or liquid preparations of cotrimoxazole are recommended. Antidiarrhoeal preparations such as loperamide are contraindicated. Of paramount importance for the protection of the traveller is the care taken to avoid contaminated water and food. The risk to the traveller visiting an area of endemic cholera is generally low. Use only water which has been boiled or safely chlorinated for drinking, preparing of food or ice.
Bottled water is preferable.
Eat only foods which have been thoroughly cooked and are still hot. Similarly with vegetables. Avoid salads or fruits which cannot be peeled. Avoid undercooked fish and especially shellfish. Avoid foods sold by street vendors.