Did I have heat stroke?
Was out in the sun all day last weekend and almost fainted. I felt really dizzy and had to lay down for an hour or so. Is this heat stroke? What are the symptoms of it and how can I avoid this happening again in the future?
It sounds like you probably had heat exhaustion, which is a condition in which rising body temperature and dehydration together conspire to create a state in which the affected person feels fatigued and dizzy. There may also be nausea and vomiting or headache. Heat exhaustion is a warning sign that you are getting overheated and dehydrated. It can usually be treated by getting out of the sun, resting, and drinking fluids to rehydrate yourself. Heat stroke, on the other hand, is a much more serious illness that occurs when heat exhaustion and dehydration are allowed to progress. In heat stroke, the affected person becomes delirious or confused, absence of sweating, rapid pulse, and difficulty breathing. Heat stroke is a medical emergency which is life threatening and requires immediate attention in an emergency room. In order to prevent heat exhaustion in the future, the most important thing is to stay well hydrated while outdoors. You also should limit the amount of time you spend in direct sunlight. If you start to feel fatigue of lightheaded these are signs that you are getting dehydrated and that you need to get out of the sun right away. I also recommend that you talk to your primary care doctor for more information.
This answer is for general informational purposes only and is not a substitute for professional medical advice.
If you think you may have a medical emergency, call your doctor or (in the United States) 911 immediately. Always seek the advice of your doctor before starting or changing treatment. Medical professionals who provide responses to health-related questions are intended third party beneficiaries with certain rights under Zocdoc’s Terms of Service.
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