A system and method of stimulating a nerve of a patient is provided. A electro-therapy device is used that includes a signal generator and two electrodes. The first electrode is positioned on an epidermis of the patient over the nerve to be stimulated. The second electrode is positioned on an epidermis of the patient at a second location. A The electro-therapy device is configured to alternately deliver to a first and second electrode a summation of first and second signals which result in a therapeutic signal encompassing the nerve of the patient. The intensity of the first and second signal is adjusted over time.
