U - Uni-dur Cr, Uni-dur Sr, Uni-dur Tr, Uniphyl Cr, Uniphyl Sr, Uniphyl Tr, Urispas, Uroxatral, Urso

Generic Urispas (Flavoxate) is an anticholinergic agent used to treat bladder or bowel spasms and in combination with other medicines to treat ulcers.

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.