Increased Urination - Differential Diagnosis Framework - Increased Volume / Frequency • Increased osmotic load (Increased urine osm): Diabetes Mellitus / Hyperglycemia, Other solute load (Na, urea, mannitol), Chronic kidney disease, Thiazides • Physiologic Diuresis: Post-obstructive diuresis • Inability of kidneys to concentrate urine (usually low urine osm or Isosthenuria): Chronic kidney disease, Loop Diuretics, Recovery phase of ATN, Hypercalcemia, ADH deficiency/resistance (Diabetes insipidus) • Increased intake (low urine osm): Primary Polydipsia • Irritation/Inflammation: Urinary tract infection, Prostatitis, Interstitial cystitis, Urge incontinence, Bladder calculi, Bladder cancer • Incomplete Bladder Voiding: BPH, Neurogenic bladder • Decreased Pelvic Muscle Tone: Stress incontinence Dr. Ann Marie Kumfer @AnnKumfer #Increased #Urination #Differential #Diagnosis #Urinary #Frequency
