215 Heat Stress Card When the body is unable to cool itself by sweating, several heat-induced illnesses such as heat exhaustion, and the more severe heatstroke, can occur and result in death. Factors Leading to Heat Stress ● High temperature and humidity ● Direct sun or heat ● Limited air movement ● Physical exertion ● Poor physical condition ● Some medications ● Inadequate tolerance for hot workplaces Symptoms of Heat Exhaustion ● Headaches, dizziness, lightheadedness, or fainting ● Weakness and moist skin ● Mood changes such as irritability or confusion ● Upset stomach or vomiting Symptoms of Heatstroke ● Dry, hot skin with no sweating ● Mental confusion or losing consciousness ● Seizures or convulsions Preventing Heat Stress ● Know signs and symptoms of heat-related illnesses ● Monitor oneself and one’s coworkers ● Block out direct sun or other heat sources ● Use cooling fans or air conditioning ● Rest regularly ● Drink lots of water (approximately 1 cup every 15 minutes) ● Wear lightweight, light-colored, loose-fitting clothes ● Avoid alcohol, caffeinated drinks, or heavy meals What to Do for Heat-Related Illness ● Call 911 (or local emergency number) at once while waiting for help to arrive ● Move the individual to a cool, shaded area ● Loosen or remove heavy clothing ● Provide cool drinking water ● Fan and mist the individual with water Source: U.S. Department of Labor. (2002). Heat stress: Hazards and possible solutions. Retrieved November 15, 2006, from www.osha.gov/SLTC/heatstress/recognition.html. Three guidelines follow that provide guidance on heat disorders: heat cramps, heat exhaustion, and heat stroke.