Described are implantable devices and methods for treating various disorders of the pelvic floor by delivering one or more drugs to a sacral nerve or nerve portion, as well as to a pudendal nerve or nerve portion. Two or more drug delivery regimes are provided on a continuous, alternating, intermittent or other basis to the sacral and pudendal nerves 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.