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Desert Heat’s Silent Warnings

In the Coachella Valley’s scorching summer heat, spotting the less obvious signs of heatstroke can be life-saving—especially as temperatures stay in the triple digits for weeks at a time. First aid experts warn that some symptoms are far from the usual signs of overheating and can show up in adults, children, and pets before the situation becomes life-threatening.

A surprising red flag is when someone stops sweating altogether in extreme heat. While many expect heavy perspiration during heat illness, hot and dry skin can mean the body’s cooling system has failed and heatstroke has set in. This requires calling 911 immediately and moving the person to a cooler place.

Mental changes are another early warning. Even mild confusion, irritability, or acting out of character can signal the brain is under heat stress. If someone appears unusually frustrated, struggles with simple tasks, or seems “off,” it’s time to take it seriously and get them cooled down.

Unusual muscle cramps also deserve attention. While most associate heat illness with leg cramps, pain in the abdomen, arms, or shoulders can also indicate dangerous heat stress. These are often mistaken for normal muscle strain but should be treated as a heat warning—cool compresses, rest, and slow sips of water or electrolyte drinks are important first steps.

Headaches combined with vision changes—blurred vision, seeing spots, or visual “flashes”—can mean heat is affecting the central nervous system. This combination should prompt urgent cooling measures and medical attention if it doesn’t ease quickly.

Children can present differently. In the heat, a child suddenly becoming quiet, refusing to play, or turning away from drinks can be a signal of early heat stress, particularly in those under five who cannot regulate body temperature as efficiently. Flushed skin that feels cool to the touch is another warning to act fast.

Pets are equally vulnerable. In dogs, excessive drooling paired with gums that appear dark red or even purple is a sign of dangerous overheating. Immediate cooling in a shaded or air-conditioned space, small amounts of water, and prompt veterinary care can save a pet’s life.

The body needs time to adjust to higher temperatures, and early summer heat can catch people off guard before they’ve developed tolerance. Those at the highest risk include seniors, young children, pregnant women, and individuals with heart or breathing problems. In a desert climate like ours, recognizing these silent warnings can prevent tragedies before they unfold.