Low urine specific gravity may be caused by physiological factors, generally do not need special treatment. It may also be caused by pathological factors, at this time should actively treat the primary disease.
The normal range of urine specific gravity is 1.015～1.025, affected by age, water intake and sweating. Urine specific gravity can reflect the concentration function of the kidneys. Decreased urine specific gravity may be caused by physiological factors, such as excessive water intake, for infants and young children, etc.; it may also be pathologic, such as acute tubular injury, hypertensive kidney injury, urolithiasis and so on.
1. Physiological factors:
(1) normal people in the case of drinking too much water to go to the urinalysis will appear a transient low urine specific gravity, generally do not need special treatment, should drink a moderate amount of water, and at the same time recheck the routine urinalysis.
(1) Low urine specific gravity in infants and young children also does not require special treatment.
2. Pathologic factors:
(1) Acute renal tubular injury: acute renal tubular injury can lead to impaired renal concentrating function, resulting in low urine specific gravity. The cause may be nephrotoxic drugs, and the use of nephrotoxic drugs should be stopped in time, at the same time, drink more water, urinate diligently to promote the recovery of renal function, and hemodialysis is feasible for patients in critical condition.
(2) Hypertensive kidney injury: renal disease caused by hypertension can also lead to low urine specific gravity, patients should actively control blood pressure, closely monitor blood pressure levels, and be careful with nephrotoxic drugs.
(3) Uremia: mainly caused by the lack of antidiuretic hormone, you can follow the doctor’s instructions to apply desmopressin, ellagic acid pressin and other drugs.
The discovery of urine routine urine specific gravity should be timely to the regular hospital, clear reasons, follow the doctor’s instructions for symptomatic treatment.