Water drinking also acutely raises blood pressure in older normal subjects. The pressor effect of oral water is an important yet unrecognized confounding factor in clinical studies of pressor agents and antihypertensive medications.
Can too much water make your blood pressure go up?
What is fluid overload? Fluid overload means that your body has too much water. The extra fluid in your body can raise your blood pressure and force your heart to work harder. It can also make it hard for you to breathe.
Does drinking water make blood pressure go up or down?
The investigators ultimately determined that water dilutes the plasma in the blood vessels leading away from the duodenum and that this short-lived reduction in salt concentration (hypo-osmolality) is responsible for water's blood pressure-raising (pressor) effect.
How much water should you drink a day for high blood pressure?
Treating and preventing high blood pressure starts with making lifestyle adjustments, such as getting regular exercise and eating a nutrient-rich diet. Drinking water and staying properly hydrated can also help maintain healthy blood pressure. In general, it's recommended to drink eight 8-ounce cups of water a day.
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