How to prevent heatstroke in hot summer
Heatstroke is a serious condition in which the body is unable to lower its temperature through sweating and becomes excessively hot. This medical emergency occurs when the body temperature rises rapidly to 39.4°C or higher. Nowadays, prolonged periods of high temperature and humidity in summer are the main causes of heatstroke.
People suffering from heatstroke may experience common symptoms such as headache, red skin, dry skin, and nausea. If left untreated, heatstroke symptoms can worsen and even lead to the failure of vital organs (brain, kidneys, and heart). Without lowering body temperature, it can result in convulsions, coma, and death. This article will introduce important tips for avoiding heat-related illnesses during the summer.
Studies on heatstroke
Heatstroke is usually caused by other heat-related illnesses, such as heat cramps and heat exhaustion, and it can occur suddenly without any warning signs. Studies show that more than 600 people die each year from heatstroke and other heat-related illnesses.
Related reading:Sunscreen product recommendations and skincare tips for spring and summer
Symptoms of heatstroke
Heatstroke is a serious, life-threatening illness with the following symptoms:
Body temperature above 39.4°C
Skin is red, hot, and dry (without sweating).
Excessive sweating
rapid breathing
Severe headache
Dizziness
nausea
confusion
Loss of consciousness
weak
Seizures
Thirsty
Which group of people is at higher risk of heatstroke?
The following groups are at higher risk of developing heat-related illnesses:
- Infants and toddlers over four years old;
- Seniors aged 65 and above;
- Overweight patients or those with diabetes and heart disease;
- Socially isolated and impoverished groups;
- Athletes or people who engage in strenuous physical activity in hot weather;
- People who drink alcohol and take medications that impair the body's ability to regulate temperature or inhibit sweating;
- Ordinary people during the high-temperature season, such as Hong Kong residents from May to September;
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How to prevent heatstroke in summer?
7 things you should do
Turn on the air conditioning or stay in an air-conditioned place, such as a cooling center, shopping mall, or library.
When the temperature is below 35°C, use an electric fan for comfort. A fan can make sweat evaporate from the body more quickly, and the more sweat evaporates, the more heat is dissipated.
Take a cold shower to help cool down
Minimize direct exposure to sunlight
Stay hydrated by drinking water or beverages that are decaffeinated, sugar-free, or alcohol-free.
Eat more light, cool, and easily digestible foods, such as fruits or salads.
Wear loose-fitting, light-colored clothes
6 things you shouldn't do
Leaving children, pets, or people with mobility issues in the car for extended periods of time.
Trying to cool down by drinking alcohol
Eat strong-flavored, hot, or hard-to-digest foods
Wearing heavy, dark-colored clothing will absorb the sun's heat.
Exercise outdoors during the hottest part of the day (usually from 10 a.m. to 5 p.m.)
Use electric fans when the temperature exceeds 35°C. Electric fans cannot prevent heat-related illnesses when the temperature reaches 35°C or higher.
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