Heatstroke –
Symptoms and Causes
Heatstroke – Symptoms and Causes
What is Heatstroke?
Heatstroke is the most severe
form of heat illness. It happens when the body is unable to regulate its
temperature, causing the core body temperature to rise rapidly (above 104°F or
40°C). It can result in damage to the brain and other vital organs, and may even
be fatal if not treated promptly.
Heatstroke – Symptoms and Causes
Symptoms of Heatstroke
1. High Body Temperature
o
Body
temperature of 104°F (40°C) or higher is a key sign.
2. Altered Mental State
o
Confusion
o
Slurred
speech
o
Disorientation
o
Delirium
o
Seizures
o
Coma
(in severe cases)
3. Skin Abnormalities
o
Hot,
dry skin (especially during classic heatstroke)
o
Red
or flushed skin
o
May
feel moist in cases triggered by exertion
4. Rapid Breathing and
Heart Rate
o
Fast,
shallow breathing
o
Rapid
pulse that may become weak
Heatstroke – Symptoms and Causes
5. Headache
o
A
throbbing or intense headache
6.Nausea and Vomiting
o
Often accompanied by an upset
stomach
7.Muscle Cramps or Weakness
Heatstroke – Symptoms and Causes
o
Painful or involuntary muscle spasms
o
General fatigue or inability to move
o
In severe cases, the person may
faint or become unresponsive
8.Loss of Consciousness
- In
severe cases, the person may faint or become unresponsive
Causes of Heatstroke
Heatstroke – Symptoms and Causes
1. Prolonged Exposure to
High Temperatures
o
Common
during heatwaves or hot weather conditions
o
Especially
in environments with high humidity
2. Strenuous Physical
Activity in Heat
o
Often
affects athletes, soldiers, or laborers working outdoors
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| Heatstroke – Symptoms and Causes |
3. Dehydration
o
Lack
of sufficient water reduces the body’s ability to sweat and cool down
4. Alcohol Use
o
Interferes
with body temperature regulation and causes dehydration
5. Wearing Excess
Clothing
o
Prevents
sweat from evaporating and cooling the body
6. Certain Medications
o
Diuretics,
antihistamines, beta-blockers, and antipsychotics can increase risk
7. Underlying Health
Conditions
o
Heart
disease, obesity, or poor circulation can raise vulnerability
8. Age Factors
Heatstroke – Symptoms and Causes
o
Infants,
young children, and older adults are more susceptible due to less efficient
thermoregulation
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