Diarrhea is one gastrointestinal tract symptom of kidney failure. Excessive accumulation of creatinine, blood urea nitrogen and other wastes in the patient’s body can cause many sick feeling such as fatigue, nausea, poor appetite. If left untreated, patients can develop serious vomiting, indigestion, diarrhea, low blood volume or even rapid decline of kidney functions.
Diarrhea can cause or worsen kidney failure. There have been many reports about renal failure after serious diarrhea. Diarrhea can be caused by food poisons and it can cause many complications if left untreated. Many organs can be involved and renal failure is one relatively severe complication.
Why diarrhea causes renal failure? Not all diarrhea will cause renal damages or renal failure. Here we refer to very serious diarrhea. In case of diarrhea, the whole body’s effective blood volume will experience sharp decline. Blood flow to the kidneys will be suddenly reduced and cause hypoperfusion in the kidneys. Unclean foods can cause gastrointestinal tract infections which can cause renal damages too. Besides, diarrhea can cause dehydration, electrolyte disorders, malnutrition and disturbed internal environment. As a result, kidneys will be impaired and kidney functions will be lost and kidney failure will occur.
The good thing is that most renal failure cases caused by diarrhea can be recovered with timely and proper treatment. If the kidneys are damaged, patients often will have obvious symptoms such as dehydration, reduced urine output, nausea, vomiting, poor appetite, fatigue, swelling of the legs, back pain, etc. In case of these symptoms, early tests should be done to rule out the possibility of acute kidney failure.
Though most patients can recover, there are 10-20% patients can not have complete recovery of their kidney functions. They will gradually turn into chronic renal failure and require long term dialysis treatment to sustain their life.
Our kidneys have strong compensatory functions, but it is also very fragile. Therefore we should in our daily life to avoid eating polluted or poisoned foods especially if you are at risk of developing kidney damages. In case of serious diarrhea, early and proper treatment should be sought so as to prevent further damages to the body.
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