A 49-year-old member asked:
what can happen if you exercise without replacing your sweat by drinking water or other fluids?
1 doctor answer • 2 doctors weighed in
Internal Medicine 15 years experience
Dehydration: You could become water and electrolyte deficient. Symptoms that can accompany this are decreased exercise performances, muscle cramps, fatigue, dizziness/lightheadedness. If it really gets out of hand, like if you were to run a marathon and not drink at all, you could have much more severe symptoms even a seizure.
Last updated Apr 11, 2015
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