That is to say, you should drink water according to your medical condition. If your disease is not that severe or if you do not have swelling, it is unnecessary for you to restrict water intake. In such a case, drinking moderate waste can help your body flush out excessive waste products. But if you have swelling or your disease is in kidney failure stage, you should restrict water intake. The water intake should be controlled into 24h urine output plus 500ml.
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