Heat Stroke: A Comprehensive Overview

ByTV10 Punjab

May 25, 2024
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24 May
Sandeep Dhand Ludhiana

Heat stroke is a serious, potentially life-threatening condition that occurs when the body overheats and is unable to regulate its temperature. This can happen due to prolonged exposure to high temperatures, especially in combination with high humidity, or as a result of intense physical activity in hot weather. Understanding heat stroke, its symptoms, risk factors, prevention, and treatment is crucial, particularly as global temperatures rise and heatwaves become more frequent.

Understanding Heat Stroke

Heat stroke occurs when the body’s temperature rises to 104°F (40°C) or higher. At this point, the body’s thermoregulatory mechanisms fail, leading to a cascade of harmful physiological responses. Unlike heat exhaustion, which is a milder form of heat-related illness, heat stroke can cause damage to the brain, heart, kidneys, and muscles. If not treated promptly, it can result in serious complications or death.

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Symptoms of Heat Stroke

The symptoms of heat stroke can vary but often include:

  1. High Body Temperature : A core body temperature of 104°F (40°C) or higher is the main sign of heat stroke.
  2. Altered Mental State or Behavior : This includes confusion, agitation, slurred speech, irritability, delirium, seizures, and even coma.
  3. Alteration in Sweating : In heat stroke brought on by hot weather, skin will feel hot and dry to the touch. However, in heat stroke brought on by strenuous exercise, skin may feel moist.
  4. Nausea and Vomiting : The affected individual may feel sick and may vomit.
  5. Flushed Skin : Skin may turn red as body temperature increases.
  6. Rapid Breathing and Heart Rate : Breathing may become rapid and shallow, and heart rate may increase significantly.
  7. Headache : A throbbing headache is common.

Risk Factors

Several factors can increase the risk of heat stroke:

  1. Age : Both young children and older adults are more susceptible due to their bodies’ reduced ability to regulate temperature.
  2. Exertion in Hot Weather : Engaging in intense physical activities in hot and humid weather increases the risk.
  3. Sudden Exposure to Hot Weather : People who aren’t acclimatized to hot weather are more prone to heat stroke.
  4. Certain Health Conditions : Conditions such as heart, lung, or kidney diseases, as well as obesity, can increase the risk.
  5. Medications : Certain medications, such as diuretics, antihistamines, and beta-blockers, can affect the body’s ability to stay hydrated and respond to heat.


Preventing heat stroke involves several practical measures:

  1. Stay Hydrated**: Drink plenty of fluids, even if you don’t feel thirsty.
  2. Avoid Strenuous Activity During Peak Heat : Try to limit physical activity to cooler parts of the day, such as early morning or evening.
  3. Wear Appropriate Clothing : Light-colored, loose-fitting clothing helps keep the body cool.
  4. Use Sunscreen : Sunburn affects the body’s ability to cool itself and can increase the risk of heat-related illness.
  5. Acclimatize : Gradually increase exposure to hot weather to allow the body to adjust.
  6. Never Leave Anyone in a Parked Car : This is particularly crucial for children and pets, as temperatures inside a car can rise rapidly.


Immediate treatment of heat stroke is critical and involves several steps:

  1. Call Emergency Services : Heat stroke is a medical emergency. While waiting for help to arrive, take action to cool the person.
  2. Move to a Cooler Environment : Get the person into shade or an air-conditioned space.
  3. Cool the Person : Use any available means to cool the person, such as immersing them in a tub of cool water, spraying with a garden hose, or applying cool, wet towels.
  4. Hydrate : If the person is conscious and able to drink, provide cool fluids. Avoid alcohol and caffeinated drinks.


Heat stroke is a severe condition that requires prompt recognition and treatment to prevent serious complications or death. Awareness and preventative measures are key to avoiding heat stroke, especially during periods of extreme heat. By understanding the symptoms, risk factors, and proper responses to heat stroke, individuals can protect themselves and others from this dangerous condition.