Kidney Failure
One possible side effect of drinking seawater is kidney failure. This is caused by the kidneys having to work harder than normal to rid the body of the excess salt that is in the saltwater. According to Medline Plus, the symptoms of kidney failure include seizures, change in mood, fatigue, pain between the hip and ribs, bloody stools, nosebleeds, fluid retention, swelling, changes in urination and high blood pressure. In some cases, dialysis or other medical interventions can be used to minimize the effects of kidney failure.
Dehydration
The excessive salinity of seawater can cause dehydration. When the body becomes dehydrated, vital body functions begin to shut down. Thirst, muscle weakness, dry mouth, headache, dizziness, lethargy and decreased output of urine are signs of dehydration, notes MayoClinic.com. As the dehydration worsens, delirium, sunken eyes, lack of sweat, unconsciousness, low blood pressure, rapid heart rate and confusion are possible. The only way to combat dehydration is to increase the intake of fresh or desalinated water.
Water-Borne Illnesses
Seawater contains disease-causing pathogens. These bacteria and viruses can cause serious illnesses in humans. Examples of water-borne illnesses include cholera and rotovirus. Both of these diseases cause severe diarrhea that can lead to dehydration.
Death
The most serious consequence of drinking seawater is death. This can be caused by any of the other side effects of drinking seawater.
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Published by Casey L. Holley
Casey Holley is a freelance writer specializing in Christian content and medical content. She has more than a decade of experience. She also enjoys writing about animals, beauty, fitness, weight loss, travel... View profile
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