야외 근로자·고령자, 외부 활동 자제 필요

[Hinews] South Korea is grappling with its hottest early July in 117 years of weather records, driving a sharp rise in heat-related illnesses across the country. Medical experts are urging the public to adopt preventive measures as extreme temperatures challenge the body’s ability to regulate heat.

Dr. Duk-Hee Lee, a professor of emergency medicine at Ewha Womans University Mokdong Hospital, underscored the risks for vulnerable groups. “Outdoor workers, the elderly, those with chronic conditions, and children are particularly prone to heat-related health issues,” he said. “Frequent hydration, resting in shaded areas, and taking cool showers are essential safeguards.”

The Korea Disease Control and Prevention Agency (KDCA) reported 1,228 cases of heat-related illnesses from May 15 to July 8, with eight fatalities. Daily cases surpassed 200 for the first time since August 2018, and cumulative cases reached 1,000 earlier than any point since the KDCA launched its heat-related illness emergency room surveillance system.

Outdoor settings accounted for 81.1% of cases, with workplaces (28.7%), agricultural fields (14.4%), and roadsides (13.9%) being the most common locations. Individuals aged 50 and older made up 61.1% of cases, with those over 65 comprising 33.6%.
As heat-related illnesses surge due to record-breaking heatwaves, adherence to preventive measures like hydration and rest is crucial. (Image Sourch: ClipArt Korea)
As heat-related illnesses surge due to record-breaking heatwaves, adherence to preventive measures like hydration and rest is crucial. (Image Sourch: ClipArt Korea)


Heat-related illnesses, encompassing heatstroke, heat exhaustion, heat cramps, heat syncope, and heat edema, are acute conditions triggered by prolonged exposure to high temperatures. If untreated, they can pose life-threatening risks. Symptoms include headaches, dizziness, nausea, and altered mental status.

Preventive measures include avoiding outdoor activities during the hottest hours (noon to 5 p.m.), staying hydrated with regular water intake, resting in shaded areas, and taking cool showers. Coffee and alcohol, which can exacerbate dehydration, should be avoided in favor of water or electrolyte drinks.

Dr. Duk-Hee Lee, Ewha Womans University Mokdong Hospital
Dr. Duk-Hee Lee, 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 headaches, dizziness, or nausea in extreme heat, immediately seek a cool place to rest and drink ample water,” he said. “For severe symptoms like confusion or seizures, call 119 for emergency services. While waiting, loosen clothing and use wet towels or fans to lower body temperature.”

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