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The blood and protein in urine
is mainly due to compromising renal infection
due to the no. of causes combinely called nephrotic syndrome
. The kidney stone may cause blood but do not cause protein in urine. The swelling in abdomen may be ascities which occurs due to fluid accumulation in renal failure
It is recommended to have renal function tests to assess the urea and creatinine levels. An ultrasound KUB will be quite helpful.