
Rising temperatures across India have prompted doctors to caution people against dismissing early symptoms of heat-related illness as "normal summer fatigue".
With temperatures crossing 45°C in several parts of the national capital, prolonged exposure to extreme heat is increasingly being seen as dangerous and potentially life-threatening if not treated in time.
Medical experts have flagged heat stroke as one of the most severe forms of heat illness, warning that it can quickly escalate into a medical emergency if not recognised early.
Heatstroke occurs when the body is unable to regulate its temperature due to excessive heat exposure. Contrary to common belief, heat stroke does not only happen after standing directly under the sun for long hours.
It can affect anyone, particularly children, the elderly, outdoor workers, and individuals with pre-existing health conditions.
Experts have pointed out that the body may lose its ability to regulate temperature even in extremely hot indoor or outdoor environments. Factors such as dehydration, humidity, poor ventilation, and prolonged exposure to heat significantly increase the risk.
15 May 2026 - Vol 04 | Issue 71
The Cultural Traveller
The World Health Organization (WHO) describes heat stroke as a severe heat-related condition in which the body's temperature rises dangerously, potentially causing damage to the brain, heart, kidneys, and muscles. Without urgent intervention, it can become fatal.
Doctors have identified several early warning signs that often go unnoticed. Heavy sweating, extreme thirst, dry mouth, and reduced urination indicate rapid fluid loss.
Feeling faint, dizzy, tired, or unusually weak after being outdoors may signal heat exhaustion, which can progress into heatstroke if ignored.
Other symptoms include persistent headache, nausea, vomiting, and stomach discomfort due to prolonged exposure to extreme heat. An increased pulse rate, fast breathing, or chest discomfort may occur as the body struggles to cool itself down.
Medical professionals have stressed that many of these early symptoms are often overlooked because they resemble common exhaustion or dehydration. However, timely recognition of these signs is crucial to preventing serious complications and saving lives.
A body temperature above 40°C is considered one of the most serious indicators of heatstroke and requires immediate medical attention.
Under normal conditions, the body cools itself through sweating and increased blood circulation to the skin. During extreme heat or dehydration, this mechanism may fail, leading to dangerous overheating.