Hypothermia Symptoms – Diseases and Conditions – Mayo Clinic

Symptoms

By Mayo Clinic Staff

Shivering is likely the first thing you’ll notice as the temperature starts to drop because it’s your body’s automatic defense against cold temperature — an attempt to warm itself.

Mild hypothermia

Signs and symptoms of mild hypothermia include:

Shivering

Dizziness

Hunger

Nausea

Faster breathing

Trouble speaking

Slight confusion

Lack of coordination

Fatigue

Increased heart rate

Moderate to severe hypothermia

As your body temperature drops, signs and symptoms of moderate to severe hypothermia include:

Shivering, although as hypothermia worsens, shivering stops

Clumsiness or lack of coordination

Slurred speech or mumbling

Confusion and poor decision-making, such as trying to remove warm clothes

Drowsiness or very low energy

Lack of concern about one’s condition

Progressive loss of consciousness

Weak pulse

Slow, shallow breathing

Someone with hypothermia usually isn’t aware of his or her condition because the symptoms often begin gradually. Also, the confused thinking associated with hypothermia prevents self-awareness. The confused thinking can also lead to risk-taking behavior.

Hypothermia in infants

Typical signs of hypothermia in an infant include:

Bright red, cold skin

Very low energy

A weak cry

Hypothermia not necessarily related to the outdoors

Hypothermia isn’t always the result of exposure to extremely cold outdoor temperatures. An older person may develop mild hypothermia after prolonged exposure to indoor temperatures that would generally be fine for a younger or healthier adult. This can occur in a poorly heated home or in an air-conditioned home. Signs and symptoms of this type of hypothermia may not be as obvious.

When to see a doctor

Call 911 or your local emergency number if you see someone with signs of hypothermia or if you suspect a person has had unprotected or prolonged exposure to cold weather or water.

If possible take the person inside, moving them carefully and slowly. Jarring movements can trigger dangerous irregular heartbeats. Carefully remove wet clothing, and cover him or her in layers of blankets while you wait for emergency help to arrive.

via Hypothermia Symptoms – Diseases and Conditions – Mayo Clinic.

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