Heat rash

high temperatures, high humidity, or vigorous exercise in hot weather, this natural cooling system may begin to fail, allowing internal heat to build up to dangerous levels. The result may be heat illness, which can be in the form of heat cramps, heat exhaustion, or heatstroke.

Heat Cramps

These brief, severe cramps in the muscles of the leg, arm, or abdomen may occur during or after vigorous exercise in extreme heat; they are painful but not serious. Children are particularly susceptible to heat cramps when they have not been drinking enough fluids. Most heat cramps do not require special treatment other than a cool place to rest. Fluids should ease the child's discomfort, and massaging the muscles may help.

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