Avoid tea, coffee and other drinks containing caffeine. Caffeine is a diuretic, making you have to go to the bathroom, plus when consumed in hot conditions, it can make you tired. Carbonated beverages cause the blood to acidify by converting to carbonic acid, which in turn helps dehydrate the body. Hence, these beverages do not keep the body at a proper hydration level, although they may quench the thirst or lubricate the throat. Avoid drinks containing alcohol, as this will cause the blood vessels in the throat to swell.
Any heraldic cries done on a throat in such condition can cause damage.
It is recommended that you drink a minimum of 1-2 glasses of water every hour. The water should be cool, but not ice-cold as that can cause stomach cramps. To make the water more palatable, a small amount of lime juice or lemon juice can be added to the water. If there are sufficient people, ask the Head Waterbearer to assign someone to make a regular route by the Heralds. Another often overlooked aspect when doing outdoor events, is wearing sunblock.