Medical Mysteries: Aquagenic Urticaria, the “Water Allergy”

Water is undoubtedly crucial to survival. Approximately 60 percent of the human body is composed of water, and some internal organs like the lungs contain even higher concentrations (U.S. Geological Survey, n.d.). The same holds true for the rest of the world, with the five major ocean basins accounting for nearly three quarters of the Earth’s surface (U.S. National Oceanic and Atmospheric Administration, 2013). As such, it would be impractical—and virtually impossible—to avoid water, whether it be rain from thunderstorms, sweat from exercise, or merely using faucet water for drinking, bathing, and cleaning…