Visitors have to be always attentive about their health. Traveler should be conscious of health precautions in Sri Lanka.
Food and Water
The water in Sri Lanka is untreated and is not safe to drink, dairy products should be avoided since they are not pasteurised. Fruit and vegetables should be washed and peeled before consumption and caution should be observed when buying food from street vendors.
If you are travelling within Sri Lanka, it is advisable to get a Medical Insurance or Travel Insurance for Sri Lanka. Dengue fever is common on the island, especially during the rainy season when mosquitoes are in abundance as they transmit dengue. Use mosquito repellent whenever you are outdoors or visiting rural areas. A vaccination for polio and typhoid is recommended to all visitors to Sri Lanka.
What to Wear
Lightweight, bush-coloured, loose-fitting, pure cotton shorts, short-sleeved shirts and skirts are best for daywear. Long-sleeved shirts and pants are recommended for the evenings. A vest with many pockets is useful on safari, and can be bought locally. Most hotels and lodges are very casual but a few require jacket and tie in the evenings. Common Diseases Various mosquito borne diseases, such as Dengue fever, Chikungunya and Malaria are common to Sri Lanka.So visitors have to take care of themselves.
Treatment is free at government hospitals and dispensaries. There a category of hotels is also present which provides doctors. Medical facilities outside Colombo are limited. In the event of a major accident or illness, medical evacuation is often necessary.