my five year old has had blood at the very end of his urine for a few days now. ultra sound was neg. and urine had no infection. what can it be do i need a ct scan .the fist day his tummy was pinchy, last night he complaind about his chest hurting a bit.
Blood at the end of micturition is most commonly due to bladder stones for which detection good USG is necessary.  Worm infestation of bladder mar also do this