Heat stroke

Exposure to high temperatures can cause a condition known as heat stroke. This condition usually results from prolonged exposure to heat, especially in high humidity, which leads to excessive sweating and loss of fluids and minerals from the body. Physical exertion can also cause this disorder and result in an increase in body temperature.

People at increased risk include those more likely to drink alcohol, the elderly and obese, and people who take antihistamines, antipsychotics, and cocaine. Preventive measures include consuming lightly salted foods and liquids, avoiding strenuous activities in a hot environment, cooling the skin with water, and avoiding closed and hot spaces.

Prolonged exposure to high temperatures can result in excessive fluid loss, low blood pressure (hypotension) and the possibility of fainting.


  • Headache, dizziness, confusion
  • Loss of appetite and nausea
  • Excessive sweating, pale, moist and sticky skin
  • Low blood pressure
  • Loss of consciousness
  • Increased fatigue
  • Weak and slow heartbeats
  • Weakness

First aid and treatment:

  • Lay the person on their back in a flat position or with their head lower than the rest of their body.
  • Cool the affected person.
  • Replace fluids and minerals.
  • Provide fluids that are lightly salted.
  • If necessary, call emergency medical help.


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