Recently oliguria is less severe is kidney function has a problem

Oliguria

is caused by many reasons, such as excessive sweating in a hot environment, coupled with less drinking water, can lead to decreased urine volume; secondly, because of severe diarrhea, blood loss caused by insufficient blood volume, can cause renal perfusion decreased, can also cause oliguria, these are not significantly related to renal function. However, if the patient is accompanied by proteinuria, elevated blood pressure, edema and other manifestations in addition to oliguria, it is necessary to be alert to the decline of renal function, which may be related to glomerulonephritis, nephrotic syndrome and renal failure.