A third way to tell is through rectal temperature, which may not be the most practical method when time is of utmost importance. If you suspect heat stroke, seek emergency help immediately. Heat syncope occurs when a person becomes dizzy or faints after exposure to high temperatures. Victims should lie down in a cool place when it occurs. Victims who are not nauseated can drink water.
Heat edema causes ankles and feet to swell from heat exposure.
It is more common in women unacclimated to a hot climate. Wearing support stockings and elevating the legs often helps reduce swelling. Prickly heat , also known as heat rash, is an itchy rash that develops on the skin that is wet from sweating. Dry and cool the skin to relieve the condition. Prevention and protective measures are the best way to avoid problems.