Hypothermia

ARTICLE SECTIONS

Introduction Signs and symptoms Causes Risk factors

When to seek medical advice Complications Treatment Prevention

Introduction

Hypothermia occurs when more heat escapes from your body than your body can produce. Signs and symptoms of hypothermia may include gradual loss of mental and physical abilities. Severe hypothermia can lead to death.

For most people, hypothermia isn't a serious risk. Still, each year nearly 700 people in the United States die of hypothermia. Prolonged exposure to cold air or cold water temperatures are common causes.

When you're outdoors enjoying such activities as camping, hunting, fishing, boating and skiing, be aware of weather conditions and whether you or others with you are wet and cold. If you get cold and wet, move indoors and get warm and dry early — before you develop hypothermia.

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Signs and symptoms