In TENS Unit therapy
are placed on the skin, either directly over the painful area or more commonly, at key points along the nerve pathway. One of the most compelling reasons for prescribing TENS
Units for pain relief is that this therapy has few side effects. TENS
is non-addictive, causes no drowsiness, and can be used indefinitely without the problems associated with prolonged drug use. The most common reason for prescribing TENS
is for chronic low-back pain.