The bladder is a compliant muscular reservoir. Dysfunction manifests as storage, voiding, or sensory symptoms. This overview covers major disorders, diagnostic approaches, and general management principles.
| Disorder | Key Features | Primary Mechanism |
|---|---|---|
| UTI (Cystitis) | Dysuria, frequency, urgency, suprapubic pain, hematuria | Bacterial ascent (E. coli 80%) |
| Overactive Bladder (OAB) | Urgency, frequency, nocturia, ±UUI | Detrusor overactivity (idiopathic/neurogenic) |
| Underactive Bladder / Urinary Retention | Hesitancy, weak stream, incomplete emptying, overflow incontinence | Detrusor underactivity (neurogenic, myogenic, outlet obstruction) |
| Bladder Outlet Obstruction (BOO) | Obstructive + irritative symptoms | BPH (men), stricture, prolapse, fibrosis |
| Neurogenic Bladder | Variable: retention, incontinence, high pressures | SCI, MS, spina bifida, Parkinson’s, diabetes |
| Interstitial Cystitis/Bladder Pain Syndrome (IC/BPS) | Suprapubic pain + urgency/frequency (>6 wks), negative culture | Urothelial dysfunction, neuroinflammation, mast cells |
| Bladder Stones | Irritative symptoms, hematuria, interruption of stream | Stasis, infection, foreign body, obstruction |
| Bladder Cancer | Painless gross hematuria (85%), irritative symptoms | Urothelial carcinoma (90%); smoking, aromatic amines |
| Bladder Prolapse (Cystocele) | Vaginal bulge, SUI, incomplete emptying, recurrent UTI | Pelvic floor weakness (childbirth, aging, hypoestrogenism) |
| Ureterovesical Junction Obstruction | Flank pain, UTI, hydronephrosis | Congenital, stone, stricture, tumor, iatrogenic |

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