Understanding Heat Stroke: Warning Signs and How to Prevent It

Published on: 8th April 2023
Medically reviewed by: Medical Director at First Response Healthcare
Heat Stroke Causes, Symptoms, and Prevention
Heat stroke is a severe heat stroke-related illness. It occurs when the body’s internal temperature reaches dangerous levels, which is often above 104°F (40°C). A heat stroke is a medical emergency that can lead to organ damage, brain dysfunction, and even death if not treated quickly. Thus, it is very important to know about the heat exhaustion symptoms or heat stroke symptoms.
The body normally regulates its temperature through sweat, which helps dissipate heat. However, in the case of heat stroke or heat exhaustion, the body’s cooling mechanism cannot keep up with the heat absorbed from the environment or produced by physical activity. As a result, body temperature rises rapidly, leading to a host of life-threatening complications.

What Causes Heat Stroke?

1. High Temperature:

Heat stroke is often associated with heat waves and extreme weather conditions, especially during the summer months. When temperatures are high, the risk of heat stroke increases, especially for vulnerable people such as the elderly, young children, and those with pre-existing medical conditions.

2. Humidity:

Wet climates increase the risk of heat stroke symptoms because high humidity hinders the evaporation of sweat. As a result, the body’s natural cooling mechanisms work less efficiently, making it harder to dissipate heat and maintain a normal body temperature. And this can lead to heat exhaustion symptoms or a heat stroke.

3. Exertion:

Engaging in vigorous physical activity or working in hot environments without adequate rest and rehydration can lead to heat stroke. Athletes, people who work outdoors, and people who play sports are especially susceptible.

4. Dehydration:

Not drinking enough water or losing too much water through sweating can lead to dehydration, which weakens the body’s ability to cool itself. People who are dehydrated are at a higher risk of heat-related illnesses, including heat stroke and heat exhaustion symptoms.

5. Chronic diseases:

Certain medical conditions, such as heart disease, obesity, diabetes, and breathing problems, can make individuals more susceptible to heat stroke. These conditions can impair the body’s ability to regulate temperature and manage heat stress.

What Are The Symptoms Of Heat Stroke?

Recognizing the early symptoms of heat exhaustion and heat stroke is important for prompt intervention and effective treatment.The Heat exhaustion symptoms or a heat stroke can range from mild to severe and may include:

  • High Body Temperature – If your body temperature is more than 40°C (104°F) or higher, it can be a heat stroke symptom. Measuring body temperature with a thermometer is essential for an accurate diagnosis.
  • Severe Headache – Heat stroke can cause severe headaches due to high body temperature and dehydration.
  • Dizziness and Lightheadedness – Heat-related conditions often cause dizziness, lightheadedness, and a feeling of fainting as the body struggles to maintain blood circulation and balance.
  • Nausea and Vomiting – heat stroke symptoms can cause nausea and vomiting due to the body’s stress.
  • Rapid Heart Rate and Shallow Breathing – As the body struggles to cope with the heat, the heart rate increases and breathing becomes shallower.
  • Confusion and Disorientation – Confusion and disorientation are the heat exhaustion symptoms or heat stroke symptoms. Heat stroke can affect cognitive function, leading to confusion, irritability, and disorientation.
  • Unconsciousness or Coma – In severe cases, heatstroke can lead to unconsciousness or coma.
  • Red, Hot, Dry Skin – Heat stroke can make the skin dry and hot because the body is unable to sweat effectively.

Heat Stroke Treatment At Home In Dubai | First Response Healthcare

If you need assistance with heat stroke treatment or heat exhaustion treatment at home or heat stroke remedies, First Response Healthcare can help you with the same. First Response Healthcare (FRH) is a JCI accredited home health care company in Dubai that provides timely and reliable medical care to patients through high quality, patient-centric services in the comfort of their own home. FRH provides a range of medical services, including the service of Doctor on call for heat stroke symptom diagnosis or treatment at home, or any other medical issue. FRH has received a seal of approval from the Joint Commission International Standards for meeting international quality standards for its services.


FRH has a team of highly skilled and experienced doctors, who provide their services 24 hours a day, 7 days a week, 365 days a year. You can book an appointment with FRH for heat stroke treatment at home or heat stroke remedies at any time of the day or night. Our team of doctors and nurses can come to your home, hotel, or office for diagnosis and treatment. Our team is committed to providing compassionate medical care to everyone. Our team of doctors can also provide diagnosis and treatment for a variety of other conditions ranging from fevers, colds, migraines, and allergic reactions to respiratory conditions, chronic illnesses, gastrointestinal diseases, skin problems, and many other diseases. Our team of doctors truly care about your health and are always polite and respectful when invited into your home.

Why Should You Choose FRH?

  • You can book an appointment with us at any time, since our services are available 24*7, including on weekends and holidays.
  • We can reach you within 30* minutes after you call us.
  • We can come to you anywhere, no matter what your location in Dubai.
  • We can come to your home, hotel, or office.
  • To book an appointment, all you need to do is call 0505050 387 or 800DIALDOC.

What Are The Risk Factors for Heat Stroke?

Several risk factors can increase your chances of getting heat stroke or a heat exhaustion. Firstly, environmental factors play an important role, with hot and humid climates posing a greater risk. Engaging in vigorous physical activity, especially under these conditions, can lead to excessive heat build-up. In addition, prolonged exposure to direct sunlight without proper sun protection may also increase the risk of a heat stroke.

Several demographic factors contribute to increased susceptibility to heat stroke, including age. Infants, the elderly, and people with chronic illnesses are more vulnerable due to compromised thermoregulation. In addition, people with a history of heat-related illness or a family history of heat stroke are at higher risk. Poor adaptability, such as being unaccustomed to temperature or sudden temperature changes, may also be a contributing factor.

Certain lifestyle choices can increase the risk of heat stroke, including alcohol and drug use, which can impair the body’s ability to regulate temperature. Certain medications, such as diuretics or beta-blockers, can affect hydration levels and thermoregulation, increasing the risk. Ultimately, inadequate hydration and failure to recognize the early signs of heat-related illnesses can escalate into full-blown heatstroke.

What Are The Risk Factors for Heat Stroke?

Taking precautions is essential to reducing the risk of heat stroke, especially during hot weather or when engaging in physical activity. Here are some important steps you can take for heat stroke symptom diagnosis or prevention:

  • Keep Yourself Hydrated: You should drink water consistently, even when you don’t feel very thirsty. Avoiding alcoholic and caffeinated beverages can also help, as they can contribute to dehydration. Bring a water bottle when you are outdoors.
  • Wear The Right Clothing: Wear loose, light, light-colored clothing to allow better air circulation and reflect sunlight. Avoid dark clothing as they can absorb more heat.
  • Limit Your Time Outdoors: Limit outdoor activities during peak heat hours, usually between 10 a.m. and 4 p.m., when the sun’s intensity is at its peak. If possible, schedule outdoor chores, exercise, or leisure activities for cooler times of the day, such as early morning or late evening.
  • Take Enough Breaks: For heat stroke prevention, you must take frequent breaks in shady or air-conditioned places if your work leads to exertion outdoors. Resting and letting the body cool down during these breaks can help prevent heat-related illnesses.
  • Create a Cool & Comfortable Environment: Use an indoor fan or air conditioner to maintain a comfortable temperature. If you don’t have air conditioning at home, consider spending time in public places like malls, libraries, or community centers, which often offer cooling options during sunny spells.
  • Check on Vulnerable People: For heat stroke prevention, you should closely monitor children, the elderly, people with pre-existing medical conditions during hot weather. Offer to help and make sure they stay cool and hydrated, as they are more prone to heatstroke.
  • Use Sunscreen: Apply sunscreen with a high SPF to protect skin from harmful UV rays and prevent sunburn, which can limit the body’s ability to regulate temperature.

Heatstroke and heat exhaustion are dangerous conditions that require attention and vigilance, especially in hot weather and during physical activity. Understanding the causes, recognizing the symptoms and signs of heat exhaustion or heat stroke, and knowing all about heat stroke prevention and heat stroke treatment are essential steps to protect yourself and others from this life-threatening illness.

By staying informed, prepared, and responsible, it is possible to enjoy the summer months while also taking care of our health and safety. If you suspect a person has symptoms of heatstroke, seek immediate medical attention to ensure prompt treatment and successful recovery.

Share This Article: