What are the symptoms of heat stroke?

Feb 6, 2025 | Knowledge Sharing

Preface

Heat stroke is a serious medical emergency that occurs when the body becomes unable to regulate its internal temperature, leading to a dangerously high body temperature. The symptoms of heat stroke can vary, but they generally include:

How to treat heat stroke

Symptoms of heat stroke

High Body Temperature

A core body temperature of 104°F (40°C) or higher.

Hot, Dry Skin

Skin may be red and hot to the touch. Sweating may stop in severe cases, making the skin feel dry.

Altered Mental State or Behavior

Confusion, agitation, slurred speech, irritability, delirium, or even unconsciousness.

Rapid Heartbeat and Breathing

A fast pulse and shallow breathing are common as the body tries to cope with the heat.

Nausea and Vomiting

A person may feel nauseous or may vomit as a result of the body’s extreme stress.

Headache

A throbbing headache can occur due to dehydration and overheating.

Seizures

In severe cases, heat stroke can cause seizures due to brain dysfunction caused by overheating.

Rapid Heartbeat and Breathing

A fast pulse and shallow breathing are common as the body tries to cope with the heat.

Muscle Cramps or Weakness

Heat stroke can also result in muscle cramps or a feeling of weakness as the body struggles to maintain function.

Lack of Sweating

While heat exhaustion typically causes heavy sweating, heat stroke may cause the skin to feel dry because the body stops sweating in an attempt to preserve water.

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