You'll know you have a severe burn when you exhibit painful red skin, blisters, fever, nausea, vomiting, headache. To minimize discomfort, stay out of the sun, apply cool compresses, and take aspirin and plenty of fluids. With little fluid intake and prolonged exposure to heat, you can suffer from heat exhaustion, cramps, and stroke because the body has lost so much vital fluid through perspiration that it has difficulty releasing excess heat. Heat exhaustion and cramps are characterized by excess perspiration, weakness, pale and clammy skin , cramps in abdomen and calves, nausea, dizziness. If vomiting occurs, discontinue salt water.
Heat stroke is more serious than heat exhaustion.
The National Red Cross recommends that you sponge body with cold towels or rubbing alcohol and seek medical assistance immediately . When in the Water Know your beach's wind, surf, and tide conditions. Local TV, newspapers, radio, lifeguards can provide this information. Obey those in authority at the beach. Lifeguards are trained in beach safety and protection.