What to do
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Key facts
Use neurologic signs as the emergency gate
Thailand's multiagency heat-illness factsheet identifies confusion or disorientation, abnormal speech, collapse or loss of consciousness, and convulsions as emergency signs. In a heat-exposed person, treat these as possible heat stroke rather than trying to complete an online symptom comparison.
Call 1669 and begin the emergency actions immediately. The source distinguishes escalating heat-exhaustion signs from the severe emergency pattern, but this page cannot determine which condition a reader has. When severe neurologic signs are present, the safe purpose of the distinction is escalation, not diagnosis.
Do not wait for a temperature reading
The Department of Disease Control describes heat stroke as a life-threatening failure of temperature regulation associated with body temperature above 40°C. That number explains the condition; it is not a prerequisite that a bystander must measure before seeking help.
A missing thermometer, uncertain reading or lack of a measured temperature must not delay action when confusion, abnormal speech, collapse, loss of consciousness or convulsions are present. The sources support acting on the emergency signs and do not support a 'wait and see' threshold.
Call, move and cool
Call 1669 immediately and move the person to shade or air conditioning. While help is coming, loosen unnecessary clothing, apply cold wet cloths or towels and use a fan or ice packs if available. These are cooling measures described by WHO; begin promptly while monitoring the person.
The Thailand factsheet also directs urgent cooling and calling 1669 for suspected heat stroke. Its emergency row includes vomiting, confusion, abnormal speech, convulsions and collapse. Do not wait for a temperature reading or delay emergency care while trying to classify every symptom.
Keep prevention and diagnosis separate
The seasonal Pattaya answer and the child-heat answer address planning and prevention. This route begins when illness is suspected and puts severe red flags first. Linking the pages does not make a weather guide into medical triage or make this emergency page a diagnosis tool.
Emergency numbers and public-health guidance can change. Recheck the official sources and the separate emergency-number record within the review window, but do not delay a present emergency in order to browse or compare sources.
Dates, responsibility & checking method
Evidence
Sources
3 dated records support the material facts on this page.
- รู้ทันโรคฮีทสโตรก (Heatstroke) หรือโรคลมแดด (opens in a new tab)
Department of Disease Controlofficial governmentPublished Checked
- What to do in case of heat stroke (opens in a new tab)
World Health Organizationprimary documentPublished Checked
- Be cautious of excessive heat / Response to heat-related illnesses (opens in a new tab)
Thailand multiagency public-health partnersprimary documentChecked