Symptom |
Possible Causes |
Investigations |
Dysuria (Painful Urination) |
- Urinary Tract Infection (UTI)
- Sexually Transmitted Infections (STIs)
- Urethritis
- Prostatitis
- Vaginal infections (in females)
|
- Urinalysis and urine culture
- STI screening
- Pelvic exam (for females)
- Prostate exam (for males)
|
Hematuria (Blood in Urine) |
- Urinary Tract Infection
- Kidney stones
- Bladder or kidney cancer
- Glomerulonephritis
- Trauma
|
- Urinalysis with microscopy
- Imaging: CT scan or ultrasound of the kidneys
- Cystoscopy
- Blood tests: Kidney function (creatinine, GFR)
|
Polyuria (Excessive Urination) |
- Diabetes Mellitus
- Diabetes Insipidus
- Diuretics
- Excessive fluid intake
- Hypercalcemia
|
- Blood glucose testing
- Urinalysis
- Water deprivation test (for diabetes insipidus)
- Serum electrolytes, calcium levels
|
Oliguria (Low Urine Output) |
- Dehydration
- Acute Kidney Injury
- Chronic Kidney Disease
- Urinary obstruction (e.g., stones, tumors)
- Sepsis
|
- Blood tests: Kidney function (urea, creatinine)
- Urinalysis
- Imaging: Renal ultrasound
- Fluid balance monitoring
|
Urgency (Sudden Urge to Urinate) |
- Urinary Tract Infection (UTI)
- Overactive Bladder
- Bladder stones
- Prostatitis (in males)
- Neurological disorders (e.g., multiple sclerosis)
|
- Urinalysis and urine culture
- Bladder function tests (urodynamics)
- Imaging: Ultrasound or CT scan
- Neurological assessment (if indicated)
|
Nocturia (Frequent Nighttime Urination) |
- Congestive Heart Failure (CHF)
- Diabetes Mellitus
- Benign Prostatic Hyperplasia (BPH)
- Overactive bladder
- Medications (e.g., diuretics)
|
- Blood tests: Glucose, electrolytes
- Urinalysis
- Prostate exam (for males)
- Cardiac evaluation (ECG, echocardiogram)
|
Incontinence (Involuntary Loss of Urine) |
- Stress incontinence (weakened pelvic floor)
- Urge incontinence (overactive bladder)
- Overflow incontinence (BPH, bladder outlet obstruction)
- Functional incontinence (cognitive or mobility impairment)
|
- Urinalysis
- Bladder function tests (urodynamics)
- Pelvic exam (for females)
- Prostate exam (for males)
- Imaging: Bladder ultrasound
|