Severe water shortages led to a drop in blood pressure, heart palpitations; the mouth, skin, mucosa dryness, no sweat; swollen eyes, very thirsty, less urination, loss of orientation. Many people only drink when thirsty. In fact, the drink is not perfect signs to signal the need to drink water. In the elderly or in some patients, the feeling of thirst fades in when the demand for water is not rising. Hence, the need to drink enough water though there is thirsty or not. Can observe the color of the urine to water shortages. If the urine is pale in color with enough water; bold yellow is a sign of the lack of water, the need for additional right.
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