Described are implantable devices and methods for treating various disorders of the pelvic floor by delivering one or more drugs to a patient's hypogastric nerve or branches or portions thereof, prostatic plexus nerve or branches or portions thereof, sacral splanchnic nerve or branches or portions thereof, pelvic splanchnic nerve or branches or portions thereof, prostate or branches or portions thereof, pelvic floor, colon or branches or portions thereof, bladder or portions thereof, vagina or portions thereof, anus or portions thereof, external anal sphincter or portions thereof, urethra or portions thereof, penile dorsal nerve or portions thereof, inferior rectal nerves or branches or portions thereof, perineal nerves or branches or portions thereof, scrotal nerves or branches or portions thereof, scrotum or portions thereof, Alcock's Canal or branches or portions thereof, sacro-tuberous ligament or branches or portions thereof, ischial tuberosity or branches or portions thereof, greater sciatic foramen or branches or portions thereof, or lesser sciatic foramen or branches or portions thereof. One, two or more drug delivery regimes are provided on a continuous, alternating, intermittent or other basis to one or more selected nerves, nerve portions or tissues in an amount and manner effective to treat a number of disorders, including, but not limited to, urinary and/or fecal voiding dysfunctions such as constipation, incontinence disorders such as urge frequency and urinary retention disorders, sexual dysfunctions such as orgasmic and erectile dysfunction, pelvic pain, prostatitis, prostatalgia and prostatodynia.