Generic Urecholine is a diuretic, which stimulates your bladder.
It is used to cure urinary retention, in other words difficulty urinating, which may be experienced after surgery, after delivery etc.
Generic UroXatral is an α1 receptor antagonist used to treat benign prostatic hyperplasia (BPH). It works by relaxing the muscles in the prostate and bladder neck, making it easier to urinate.