Hemorrhagic cystitis is the sudden onset of hematuria combined with bladder pain and irritative bladder symptoms. Hematuria is blood in the urine.
[chemocare.com]
[…] the bladder squeezes urine out at the wrong time Interstitial cystitis - a chronic problem that causes bladder pain and frequent, urgent urination Bladder cancer Doctors
[icdlist.com]
urinary incontinence, bleeding, fistula of the bladder and bladder shrinkage Proctitis or radioproctitis with pain when sitting, diarrhoea, passing blood, fistula formation
[hbo2.de]