Many!: Dehydration is very common and can occur even in people who drink plenty of water. It's important to drink or consume electrolytes in addition to water in order to stay hydrated. Dehydration can cause headaches, constipation, joint aches, burning eyes, dry mouth, dry skin, migraine, loss of appetite, lightheadedness, disorientation, and will likely worsen any symptom already present.
Answered 3/26/2013
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Dehydration: Common symptoms include: dry, sticky mouth thirst decreased urine output dry skin headache constipation dizziness or lightheadedness low blood pressure elevated heart rate.
Answered 2/3/2017
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