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What is Heat Stroke?

Heat stroke is a medical emergency situation in which the body’s temperature rises to 40°C or above, and it cannot maintain the normal temperature by itself following an exposure to sun. Usually, our body cools down the high temperature through sweating but it fails to do so in such a situation. This heat-related illness is commonly seen in summer conditions affecting children and the elderly due to prolonged exposure. Individuals who work in outdoor settings are also prone to heat stroke. If not managed immediately, it can damage other internal organs and may lead to death.

Indian data shows that the rise in climatic temperature increases the number of deaths associated with heat stroke.

What are its main associated signs and symptoms?

A person affected by heat stroke may experience many of the following common symptoms:

What are its main causes?

The main cause is exposure to sun and is experienced by those who carry out exhaustive and non-exhaustive activities in sunlight. Individuals more vulnerable to heat stroke are

  • Infants
  • Elderly persons
  • Outdoor workers
  • Obese persons (Read more: Obesity treatment)
  • Individuals with mental illnesses
  • Alcoholics
  • Those with insufficient fluid intake, resulting in dehydration

How is it diagnosed and treated?

The initial steps you take for a person who experiences a heat stroke is to shift him/her to a shady and cooler environment. Then, you lower the body temperature using wet towels or by fanning. If possible, apply ice packs in the armpit and groin regions. After these primary care, the patient should be taken to the hospital.

At the hospital, the doctor will provide necessary treatment based on the patient’s condition, for example breathing difficulty, if any, is taken care of immediately. Doctors will continue to reduce the body temperature until the normal temperature (38°C) is achieved. Certain lab tests are carried out to rule out other causes.

You can protect yourself from heat stroke if you

  • Maintain proper hydration by drinking plenty of water
  • Wear light and loose fitting clothes
  • Spend less time in the sunlight during peak hours of 12 pm to 3 pm
  • Wear a hat or scarf or use an umbrella
  1. Medicines for Heat Stroke
  2. Doctors for Heat Stroke
Dr. Gaurav Chauhan

Dr. Gaurav Chauhan

सामान्य चिकित्सा

Dr. Sushila Kataria

Dr. Sushila Kataria

सामान्य चिकित्सा

Dr. Sanjay Mittal

Dr. Sanjay Mittal

सामान्य चिकित्सा

Medicines for Heat Stroke

Medicines listed below are available for Heat Stroke. Please note that you should not take any medicines without doctor consultation. Taking any medicine without doctor's consultation can cause serious problems.

Medicine NamePack SizePrice (Rs.)
RenolenRenolen Eye Drop53
K Mac B6K Mac B6 New Solution140
HyprosolHyprosol 0.490 W/V/2 W/V Prefilled Syringe88
HysolHysol Eye Drop36
D.N.SDns Infusion38
Dns (Baxter)Dns 5 G/0.45 G Infusion24
Dns (Parenteral Drug)Dns 5%W/V/0.9%W/V Infusion20
Dns (Denis)Dns Infusion36
GrelyteGrelyte Solution25
Sodium Chloride (Albert)Sodium Chloride Solution23
TnaTna Peri Infusion1469
Leclyte G PlLeclyte G Pl Solution35
CatlonCatlon Drop54
SterofundinSterofundin Iso Infusion180
N.S (Parenteral)N.S Infusion18
RallidexRallidex Infusion337
Dextrose With Normal SalineDextrose With Normal Saline 5% Infusion17
Dns (Venus)Dns Solution36
Dns Water (Albert)Dns Water 0.9% W/V Infusion23

Do you or anyone in your family have this disease? Please do a survey and help others


  1. Center for Disease Control and Prevention [internet], Atlanta (GA): US Department of Health and Human Services; Warning Signs and Symptoms of Heat-Related Illness
  2. Health Link. Emergency First Aid for Heatstroke. British Columbia. [internet].
  3. American Academy of Family Physicians [Internet]. Leawood (KS); Management of Heatstroke and Heat Exhaustion
  4. University of Connecticut. Heat stroke prevention. Connecticut, USA. [internet].
  5. Australian Red Cross. Heatstroke and heat exhaustion. Melbourne, Australia. [internet].
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