Bladder not emptying, scrotum shrinks and difficulty starting urination during defecating?

Here are some ...: The available information is still not enough to sort out if your concern in bladder function is related with nerve or non-nerve dysfunction, which is important to know. But either requires specific attention to avoid bladder overdistention resulting in irreversible bladder muscle damage with timely draining the urine with indwelling catheter or intermittent self-catheterization. Detail? Ask Doc..