What are the symptoms of posterior urethral valve?

Posterior urethral valve is usually the younger the onset age, the more severe the symptoms. Neonatal period mainly manifested as dysuria, urine drips, urinary retention, urinary ascites, renal insufficiency, abdominal masses touched during physical examination are mostly hydronephrosis, tortuous ureter or bladder with urinary retention. Severe posterior urethral valve newborns accompanied by urinary tract infection, uremia, dehydration and electrolyte disorders. Infants manifested as growth retardation, urinary tract infection and digestive tract symptoms. School-age children often see a doctor because of dysuria, which is characterized by fine urine, effort, enuresis and urinary incontinence when urinating.