Heat exhaustion occurs when a person can't sweat enough to cool the
body. It generally develops when a person is working or exercising in hot
weather, sweats a lot, and does not drink enough liquids to replace those lost
fluids. Heat exhaustion can be caused by loss of fluid (dehydration) or loss of
Symptoms of heat exhaustion include fatigue, weakness, headache,
dizziness, or nausea, and the skin is pale, cool, and moist. Mild heat
exhaustion does not cause a decrease in a person's mental alertness, but it may
occasionally cause fainting. Mild cases of heat exhaustion usually can be
treated at home.
The best way to prevent sprains or strains is to keep yourself in good physical shape so that your muscles, ligaments, and tendons are strong and flexible enough to resist trauma. To prevent recurring injury, ask your doctor or physical therapist for exercises designed to rehabilitate the muscles in the injured area.
You may benefit from a brace to protect the area while you are recovering from a recent injury. Use a brace for only a short period, because your muscles can get used to the support...