Methods for treatment of pelvic pain and/or comorbid conditions

Methods, systems, devices, and medicaments are provided for locally administering to a pelvic-area organ or tissue structure in a patient at least one drug continuously or continually over a treatment period of 24 hours or more in an amount effective to achieve a therapeutic effect in another organ or tissue structure by means of shared or convergent pelvic afferent pathways. The methods systems, devices, and medicaments can be used in the treatment of IC/BPS, chronic pelvic pain, vulvodynia, orchialgia, urethral syndrome, dysparenia, chronic prostatitis, chronic pelvic pain, levator ani syndrome, irritative bowel syndrome, or a combination thereof. The drug may include anesthetic agents, analgesic agents, antispasmodic agents, antimuscarinic agents, and combinations thereof. The drug may be released from a drug delivery device or a sustained release composition deployed inside the bladder.