야외 근로자·고령자, 외부 활동 자제 필요

[Hinews] South Korea is experiencing its hottest early July in 117 years of recorded weather data, triggering a sharp increase in heat-related illnesses nationwide. Medical experts are urging the public to adopt preventive measures as extreme temperatures strain the body’s ability to regulate internal temperature.

Dr. Duk-hee Lee, professor of emergency medicine at Ewha Womans University Mokdong Hospital, emphasized the heightened risk for vulnerable populations. “Outdoor workers, older adults, individuals with chronic illnesses, and young children are especially susceptible to heat-related illnesses,” he noted. “Regular fluid intake, rest in shaded or air-conditioned areas, and taking cool showers are essential preventive measures.”

According to the Korea Disease Control and Prevention Agency (KDCA), 1,228 cases of heat-related illnesses were reported between May 15 and July 8, including eight fatalities. Daily case counts exceeded 200 for the first time since August 2018, and cumulative totals reached 1,000 earlier than in any year since the KDCA began its emergency room surveillance for heat-related illnesses.

Outdoor environments accounted for 81.1% of reported cases, with workplaces (28.7%), agricultural sites (14.4%), and roadsides (13.9%) being the most frequently cited locations. Individuals aged 50 and older represented 61.1% of the cases, including 33.6% among those over the age of 65.

As heat-related illnesses surge due to record-breaking heatwaves, adherence to preventive measures like hydration and rest is crucial. (Image: ClipArt Korea)
As heat-related illnesses surge due to record-breaking heatwaves, adherence to preventive measures like hydration and rest is crucial. (Image: ClipArt Korea)

Heat-related illnesses—including heatstroke, heat exhaustion, heat cramps, heat syncope (fainting), and heat edema—are acute medical conditions caused by prolonged exposure to high temperatures. If not treated promptly, they can become life-threatening. Common symptoms include headache, dizziness, nausea, confusion, and fainting.

Preventive strategies include avoiding outdoor activities between noon and 5 p.m., staying hydrated through regular water or electrolyte drink intake, and taking cool showers to lower body temperature. Beverages like coffee and alcohol, which promote dehydration, should be minimized.

Dr. Duk-hee Lee, Professor of Emergency Medicine, Ewha Womans University Mokdong Hospital
Dr. Duk-hee Lee, Professor of Emergency Medicine, Ewha Womans University Mokdong Hospital


Before going outdoors, checking weather forecasts and heat advisories is advised. When outside, wearing loose, light-colored clothing and using parasols or wide-brimmed hats can help reduce heat exposure.

Dr. Lee offered critical advice for managing symptoms. “If you experience symptoms like headache, dizziness, or nausea in extreme heat, move to a cool area immediately and drink plenty of water,” Dr. Lee advised. “In cases of severe symptoms such as confusion or seizures, call 119 without delay. While waiting, loosen clothing and apply cool, wet towels or fans to reduce body temperature.”

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