Increased Urinary Frequency - Differential Diagnosis Algorithm

Non-increased urine volume (<2mL/min), Rule out polyuria

Extrinsic to Urinary Tract:

 • Vulvovaginitis

 • Bladder compression/Pregnancy

Urinary Tract Infection (See Dysuria scheme)

Urinary Obstruction:

 • Benign prostatic hyperplasia

 • Prostatitis

 • Prostate cancer

 • Nephrolithiasis

Small Volume Bladder

Detrusor Hyperactivity:

 • Overactive Bladder

 • Diabetes

 • MS

 • Irritant drugs: Diuretics, caffeine, alcohol



#Urinary #Frequency #Differential #Diagnosis #Algorithm #Causes