How to prevent heatstroke, blisters, and fainting during outdoor trips?
During outdoor trips on extremely hot days, toxins generated internally from the heat can lead to heatstroke if not expelled promptly. Heatstroke is the most common illness encountered in outdoor travel. In addition to bringing some medications for heatstroke treatment, the emphasis should be on prevention. When traveling for long hours under the blazing sun, ensure you schedule plenty of rest time in shaded areas. Pay attention to sun protection and cooling while on the move—such as placing a damp towel on your head, drinking water appropriately, wearing clothing that is slightly open and consists of shorts and short-sleeved shirts.
Calluses and Blisters
During prolonged walking, blisters often form on the soles of the feet. Do not puncture them to drain the fluid, especially while on a trip—you can try to ease discomfort by slightly loosening your shoes and pushing through. If a blister becomes too large or you’ve reached a campsite, you may use a clean needle to puncture and drain it, then cover it with a band-aid for care. Calluses are the “assets” of long-distance travel—the thicker they are, the less likely you are to get blisters. This is the reward of enduring long journeys. Therefore, avoid deliberately removing calluses during regular showers or foot washing. Fatigue and soreness: After long hours of trekking, the calf muscles often become particularly fatigued and sore. At the campsite, actively massage the muscles to promote recovery. You can use towels and hot water to massage repeatedly, or use alcohol massage—light a liquor, quickly dip your fingers in the flaming alcohol, and massage the tired areas. If done correctly, you won’t get burned. You may also use specialized massage tinctures or recovery liquids.
Heat Fainting
Hikers with weaker constitutions may experience heat fainting during summer climbs, especially when engaging in intense activity and consuming excessive physical energy—particularly when there is insufficient replenishment of lost fluids and salts in the body.
The main symptoms of heat fainting include feeling utterly exhausted yet restless, suffering from headaches, dizziness, or nausea. The face appears pale, and the skin feels damp and cold. Breathing is rapid and shallow, and the pulse is fast and weak. There may be accompanying muscle spasms in the lower limbs and abdomen. Body temperature remains normal or drops.
To avoid heat fainting, hikers with weaker constitutions participating in summer climbing activities should be especially cautious to avoid overly strenuous activities. Pay attention to resting rhythm and conserving energy. Drink more water or beverages containing salt to replenish electrolyte loss in the body.
If heat fainting occurs, promptly move the affected person to a cool, shaded area to lie down. If the person is conscious, allow them to slowly sip cool boiled water. If the person has been sweating profusely, or is experiencing cramps, diarrhea, or vomiting, add salt to the water (one teaspoon per liter). If the person has lost consciousness, have them lie in a recovery position and rest fully until symptoms ease, then seek further medical treatment at a hospital.
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