Advancements in technology within the past fifteen years have created multiple varieties of electroanalgesia. Doctors can focus on specific electrical signals due to pain and cancel all of them out using electric signals, optimally with alternating low and high frequencies. Electroanalgesia is a sort of analgesia, or treatment, that uses electricity to help relieve pain. Electrical devices could be internal or additional, at the website of pain or delocalized through the whole body.