DoH warns against heat-related illnesses

By Tracy Cabrera

With extreme heat and soaring heat indices persisting across the country, the Department of Health (DoH) has once again sounded the alarm, urging Filipinos to stay cautious and take preventive steps against heat-related illnesses expected to surge during the humid days ahead.

Speaking at a Palace briefing, Health Secretary Dr. Teodoro “Ted” Herbosa stressed the importance of preparedness, pointing out that while heat-related conditions such as dehydration, heat cramps, heat exhaustion, and heat stroke can affect anyone, certain groups remain especially vulnerable. These include the elderly, young children, and people with underlying medical conditions.

Common symptoms of these conditions—such as dizziness, fainting, fever, numbness, and skin that appears red and warm—should not be ignored. “Older adults, young children and those with ailments are especially vulnerable, so it is important that we make sure they are not exposed to hot environments,” Herbosa emphasized.

The health secretary cited findings from the U.S. Centers for Disease Control and Prevention (CDC), noting that older individuals tend to regulate temperature less efficiently due to reduced sweating and limited blood flow to the skin. 

Children, on the other hand, lose and generate heat more rapidly because of their higher metabolic rate, making them more susceptible to dehydration.

“Chronic conditions such as diabetes, heart disease, and obesity can impair the body’s ability to regulate temperature, while certain medications may interfere with sweating and temperature control,” Herbosa explained.

He said signs of heat illness often start with cold sweating and a strong sense of thirst, warning that if these symptoms are ignored, a person may collapse. “Heat-related illnesses often begin with intense thirst and cold sweating. If left unaddressed, it can lead to collapse. If you feel thirsty, drink water immediately. Fatigue usually follows thirst. If you feel weak, it’s time to rest in a shaded or air-conditioned area,” he said.

While serious, most cases can be treated quickly if recognized early, the health chief assured. 

He also shared practical ways to stay safe during peak heat hours—advising the public to remain indoors from 9 a.m. to 4 p.m., drink plenty of water, wear lightweight and breathable clothes, and use sun protection such as sunscreen, umbrellas, hats, or handheld fans.