Dr. Jayaratne said people should also not expose themselves to the sun.

He said creams can be used to prevent sun burns and blisters.

The people, especially children, should limit physical activities. Limiting activities to early morning and evening is recommended. Vulnerable groups are infants and children less than four years, he said.

"Skin rashes can be prevented by staying in cool places and keeping the skin cool. If children get sun burnt, it is better to consult a doctor. Cramps can be eased by drinking minerals and resting. Some people get heat strokes but this is very rare in Sri Lanka," Dr. Jayaratne said. (CDN)