Pentosuria

Overview

Pentosuria is a condition where xylulose (a pentose) presents in the urine in unusually high concentrations.An inborn metabolic disorder where an enzyme (xylitol dehydrogenase reductase) deficiency results in excessive urinary excretion of a sugar called L-xylulose. Pentoses can be found in fruits. The condition is harmless.

Symptoms

Excess L-xylulose in urine

Causes

Hereditary pentosuria