Orthostatic proteinuria is protein found in the urine during the day which is absent from early morning urine. It is present in 22% of young college males. The urinary protein is of all sizes.
The prognosis is normal up to 40 years following diagnosis. Although many of the patients continue to have proteinuria of minor degree for several decades they do not get hypertension or renal impairment.
The chance of significant renal abnormality is increased if haematuria and proteinuria are found.
Last reviewed 08/2021