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Also known as overheating, heat stroke

Hyperthermia, also known as overheating, is a condition in which an individual's body temperature is elevated beyond normal due to failed thermoregulation. The person's body produces or absorbs more heat than it dissipates. According to the International Emergency Medicine Education Project, severe hyperthermia (body temperature elevation of beyond ) "becomes a medical emergency requiring immediate treatment to prevent disability or death". Almost half a million deaths are recorded every year from hyperthermia.

Key facts

Medical condition.name: Hyperthermia
Medical condition.synonym: Overheating
Medical condition.image: Clinical thermometer 38.7.JPG
Medical condition.caption: An analog medical thermometer showing a temperature of
Medical condition.specialty: Critical care medicine
Medical condition.symptoms: Lack of perspiration, confusion, delirium, decreased blood pressure, increased heart rate and respiration rate, symptoms of dehydration
Medical condition.complications: Organ failure, unconsciousness
Medical condition.causes: Heat stroke, neuroleptic malignant syndrome, malignant hyperthermia, serotonin syndrome
Medical condition.risks: Exposure to hot and/or humid environments, physical exertion, wearing personal protective equipment that covers the body, heatwaves
Medical condition.diagnosis: Based on symptoms or body temperature above
Medical condition.differential: Fever
Medical condition.prevention: Maintaining a moderate temperature, regular hydration, taking regular breaks
Medical condition.treatment: Mild: Staying away from hot environments, rehydrating oneself, mechanical cooling, use of a dehumidifierSevere: intravenous hydration, gastric lavage with iced saline, hemodialysis, immersing in ice water