If vomiting or unconsciousness occur, call a doctor immediately. If you suspect someone is suffering from heat stroke, call an ambulance immediately. Until medical help arrives, move the victim from the heat and into a cool place. Soak his or her clothes with water and use a fan or ice packs. Use fans and air conditioners to cool your home.
Physical activity produces extra body heat.
Cotton is a light, airy fabric. Don't wait until you are thirsty. By then, you may already be dehydrated. Avoid eating hot foods or heavy meals. Use your stove as little as possible and cook during the coolest part of the day.