Hydration is important in keeping a child healthy in warmer climates and conditions. It is important to the sweating process and should be given to the child before they want liquids. You can offer either formula, milk, or water at these times. If the child does sweat, it is best to wipe it off as you see it. this removes the heat build-up on the skin. If the child is sweating this much, so something to make them cooler, for example, go to a shaded area or indoors that would be cooler.