Is red urine in 3 year old child alarming?

Usually not: Red urine generally indicates bladder infection or urethral injury. Consulting with your child's primary care physician is advised.

Depends ?Blood ?dye: Urine should be tested for infection or protein, some children can have blood in urine from infection, others from trauma especially if they have a congenital abnormality, kidney or bladder stone & occasional tumor of kidney or bladder. Red urine can be entirely benign after consuming beetroot +/or some foods or beverages with red dye. Urate salts in diaper can be red or pink and are benign (safe).