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Can Dialysis Cause Dehydration


2013-05-09 15:08

Dialysis is a life-saving treatment when the kidneys fail to work adequately.However,as it can only take over 1/10 function of a healthy kidney,the patients still have no encounter many complications. Dehydration may occur in some cases.

How does dehydration occur during Dialysis?

Kidneys work persistently in 24 hours to filter blood and remove excess fluids from your body.However,most hemodialysis patients go to dialysis treatment three times a week for about four hours,so the body holds onto extra fluid and waste in the days between treatments.

Dialysis can help your body get rid of excess fluids to return you to your dry weight.Dry weight is your weight without the excess fluid that builds up between dialysis treatments.However,if too much fluid is removed by dialysis and the renal weight becomes below dry weight,dehydration may occur.The patients with dehydration may experience the following symptoms:

* Nausea

* Rapid heartbeat

* Restlessness

* Dry mouth

* Thirst

If you gained actual weight and your dry weight did not increase accordingly, too much fluid may be removed during dialysis.

How to prevent dehydration during dialysis?

To prevent dehydration during dialysis,the doctor should have your dry weigh assessed every three to six months.If you gain your actual body weight, the dry weight should also be adjusted accordingly.You had better prepare weight scale and weigh yourself regularly after dialysis is done. Additionally,if you experience the above mentioned discomforts, you should firstly find out if they are related to dehydration.

Meanwhile, the patients on dialysis should also take precautions against excess fluid gain.Fluid gain occurs between two dialysis treatments and it is mainly caused by intake of fluid. If too much fluid builds up between dialysis treatments, it is more difficult to get down to dry weight.Fluid gain can cause a number of symptoms including:

* Blood pressure

* Shortness of breath

* Heart problem

* Swelling

To avoid fluid gain,the patients should avoid salt and salty foods. Limit foods that contain liquid.(Recommended Daily Fluid Intake for People on Dialysis)

Both dehydration and fluid gain can cause many problems. Therefore, monitoring the dry weight and controlling the amount of daily fluid intake is very important for the patients on dialysis.



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