A common cause of<unk>  is colovesical fistula (communication between the colon and bladder). These may occur as a complication of diverticular disease.<unk>  can also happen if a urinary catheter was recently in the bladder. Other key differentials: * Crohn's disease * Carcinoma of the colon or bladder * A gas-producing UTI (emphysematous cystitis: rare). *Emphysematous pyelonephritis. Male scuba divers utilizing condom catheters or female divers using a She-p external catching device for their dry suits are also susceptible to<unk> .
Pneumaturia
Bacteriuria
Climacturia
Spermaturia
Lycopenemia
Maculopapular rash
Microhematuria
Pyuria