Watch for overheating
Heavy sweating, headache, intense thirst, weakness, nausea, cramps and dizziness can be signs of heat-related illness. Hot surroundings, physical exertion, alcohol and inadequate hydration may increase risk.
Move somewhere cooler
If someone feels unwell from heat, help them stop activity, move to a cool place and sip water if fully conscious and able to swallow. Cooling measures help but do not replace professional care if symptoms are severe or worsening.
Recognize emergency signs
Confusion, collapse, altered consciousness, seizures and very high body temperature may indicate heatstroke, which is a medical emergency. Call local emergency services immediately and start cooling while awaiting help.
For health, poisoning or safety concerns, do not rely on this page to diagnose or assess an emergency. Contact qualified local services promptly when needed.
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