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Heat Stroke
A dangerous rise in body temperature, usually from heat exposure or exertion, that overwhelms the body cooling system. It is a life-threatening emergency, especially in hot Indian summers.
Causes & risk factors
- Prolonged exposure to high temperatures
- Strenuous activity in the heat
- Dehydration
- High humidity
- Being very young, older, or unwell
Common symptoms
- Very high body temperature
- Hot, dry or flushed skin
- Confusion or agitation
- Nausea
- Headache
- Fainting or seizures
Tests & diagnosis
- Core body temperature
- Electrolytes
- Kidney function
- Blood count
Treatment & management
- Call your local emergency number immediately
- Move to a cool, shaded place
- Cool the body quickly with water, wet cloths and fanning
- Give sips of water if fully conscious
- Intravenous fluids and monitoring in hospital
When to see a doctor urgently
- Call your local emergency number now for confusion, collapse or very high temperature in the heat
- Start cooling the person immediately while waiting for help
- Seek care for heat exhaustion that does not improve with rest and fluids
Not a diagnosis. MedDroid gives general educational information about heat stroke. It cannot examine you, diagnose or prescribe — always confirm with a qualified doctor.
Frequently asked questions
How is heat stroke different from heat exhaustion?
Heat exhaustion has heavy sweating and tiredness; heat stroke is more severe, with confusion and a dangerously high temperature — a true emergency.
How can I prevent it?
Stay hydrated, avoid peak-heat activity, wear light clothing and rest in the shade during hot weather.
Explore more
Sources & further reading
- World Health Organization (WHO)
- MedlinePlus — U.S. National Library of Medicine
- Ministry of Health & Family Welfare, India
- Indian Council of Medical Research (ICMR)
Reviewed by Dr. Sanjay Anbu, MBBS. MedDroid is an AI medical assistant and can make mistakes. It provides general health information, not a diagnosis or medical advice — always consult a qualified clinician. In an emergency, contact your local emergency number immediately.