What are acute complications of BPH?

Acute urinary retention (Painful bladder, urge to urinate, tx is urinary drainage placing foli or suprapubic cath) Infections (prostitis and orchiepididymitis) Hematuria (initially microscopic, considered BPH complication after elimination of other possible causes) Acute Obstructive Renal Failure (Acute retention of urine by BPH must be eliminated first)