Use of the ReBuilder® is contraindicated for individuals with pacemakers or any other implanted electrical medical devices, unless written consent given by cardiologist or implanted electrical medical device manufacturer, pregnant women, and children under 18 years of age. Use only under direct supervision of your physician or health care provider if any of the above conditions apply. Do not use directly over an open wound. Do not use if active deep vein thrombosis is present. Do not apply to head, neck or shoulders of person with epilepsy. Follow your physician's advice for specific instructions.