A method for treating pelvic pain and or chronic prostatitis, and or overactive bladder symptoms. Energy, preferably in the form of infrared or near infrared wavelength light may be applied across the vaginal tissue or rectal tissue to treat pelvic pain and or chronic prostatitis. This method of energy application may cause local heating, alteration of cellular respiration, and alterations of local blood flow resulting in decreased muscle spasm, and or decreased pain, and or decreased overactive bladder symptoms. The method of the present invention may effectively treat chronic pelvic pain and or the symptoms of chronic prostatitis. The method of the invention may combine massaging of tissue with irradiation of same.