urine promplems

[weazle74]

i had utra sound and xtray and urine test there is blood in urine sometimes is vissible all the test shown no infection i also went to gynegologist had pap test nothing i occasionally have front back aches and my urine looks as if there is blood in it dont know what to do somedays is all day deep yellow to red and i feel ill i sweat a lot just on face and head and feel bloated... i also somedays i pee n a lot and is times canot pass any urine and then i return to normall urinating.. what test there is to do in blood test to see what is wrong anybody pls knows