Micturition involves coordination of high cortical neurologic (sympathetic, parasympathetic, and somatic) and muscular (detrusor and sphincter smooth muscle) functions.
Common Causes of Urinary Retention
- Prostate Cancer, Phimosis, Paraphimosis
- Meatal Stenosis
- Medications (Anticholinergics, Antihistaminics, Antipsychotics, BZDs etc.)
ED management is limited to bladder decompression with urethral catheterization or suprapubic catheterization (if urethral cath fails). Alpha-blockers can be prescribed during discharge to relax the uretheral muscles.
Disposition and Indications for admission
Admit in case of:
- Significant Post Renal Failure
- Post Obstructive Diuresis
- Frank Hematuria
- Clot Retention