Do not take salt tablets unless directed by a physician. High protein foods need to be avoided because they increase metabolic heat. Heat cramps can be the result of heavy exertion. These occur in abdominal muscles or legs. Loss of water via sweating could cause heat cramps.
Heat exhaustion happens from overexercising, which causes the body to lose fluids.
The blood flow to skin increases, while its flow to vital organs decreases. This can cause mild shock, leading to heat stroke, unless treatment takes place. Cooling the person with wet cloths and drinking small amounts of cool water at 15-minute intervals is early recommended treatment. Heat stroke is life threatening because the person's temperature control system stops working. The body needs cooling quickly.