There are only two absolute contraindications for DENS usage - implanted heart pacemaker and individual intolerance of electric current. Other ones are relative and could be disregarded in case of therapist control. These contraindications are the following:
- Using the device over the direct projection of female breeding organs in case of pregnancy.
- Self using the device in case of alcoholic or narcotic intoxication
- Using the device in case of superficial cancer (cancer of the skin)
- Long time treatment over direct projection of calm kidneys and gall bladder if it is well known that there are stones persists