Spring in Central Florida brings warming temperatures, longer days, and increased outdoor activity. While this seasonal transition is welcome, it also marks the beginning of heat-related illness season. Heat exhaustion and heat stroke are serious medical conditions that can develop rapidly, yet they are largely preventable with proper awareness and precautions. Understanding the risks and knowing how to respond can make the difference between a safe season and a medical emergency.
Heat-related illness occurs when the body's temperature regulation system becomes overwhelmed. Your body normally cools itself through sweating and blood flow to the skin, but when the air temperature is high, humidity is elevated, or you are exercising strenuously, these cooling mechanisms may not work effectively. The result is a dangerous rise in core body temperature that can damage organs and require emergency intervention.
Heat exhaustion is the milder form of heat-related illness, but it should never be ignored. Signs include heavy sweating, weakness, cold and clammy skin, rapid weak pulse, nausea, and dizziness. If you experience these symptoms, move to a cool place immediately, drink water, and apply cool, wet cloths to your skin. Rest for several hours and avoid strenuous activity for the remainder of the day. Seek medical attention if symptoms do not improve within an hour or worsen significantly.
Heat stroke is a medical emergency that requires immediate attention. Unlike heat exhaustion, a person with heat stroke may stop sweating, and their skin becomes hot, red, and dry. They may experience confusion, disorientation, slurred speech, loss of consciousness, or seizures. Body temperature is typically above 103°F (39.4°C). If you suspect heat stroke, call 911 immediately. While waiting for emergency services, move the person to a cool place and use any available method to cool their body—ice packs, cold water immersion, or cool wet cloths—while monitoring their condition.
Risk factors for heat-related illness include age (very young children and older adults are more vulnerable), chronic medical conditions (especially heart disease, diabetes, and respiratory conditions), certain medications that impair heat regulation, obesity, and dehydration. If you fall into any of these categories, extra caution during warm months is essential.
Prevention is the most effective strategy. Stay hydrated by drinking water throughout the day, even if you don't feel thirsty. Avoid caffeine and alcohol, which can increase dehydration. Wear light-colored, loose-fitting clothing and a wide-brimmed hat when outdoors. Seek shade during peak heat hours (10 a.m. to 4 p.m.) and schedule outdoor activities for early morning or evening. Take frequent breaks when exercising or working in the heat, and never leave children or pets in parked cars, where temperatures can reach lethal levels within minutes.
Athletes, outdoor workers, and others who spend extended time in the heat need particular attention. Acclimatization—gradual exposure over 10-14 days—helps your body adapt to hot conditions. Start with shorter, less intense activities and gradually increase duration and intensity. Monitor your hydration status by checking urine color; pale yellow indicates adequate hydration, while dark yellow suggests dehydration.
At Nona Medical Services, we encourage all patients to take heat safety seriously as temperatures rise. If you experience symptoms of heat-related illness or have concerns about your risk factors, especially if you have chronic medical conditions, we urge you to contact us. Dr. Catherine Arevalo and our team are here to help you stay safe and healthy throughout the warming months ahead.
Ready to Take Control of Your Health?
Schedule an appointment with Nona Medical Services to discuss your health goals and develop a personalized care plan.
Schedule an Appointment
