RhoGam is a vaccine like globulin shot that was developed in the late 1960s to keep a Rh negative woman from becoming sensitized to the Rh positive blood of her fetus in the unlikely event blood mixing occurs. Rhogam works very much like an immunization.
However, some new research has shown that TENS may be effective for reducing pain in people who have fibromyalgia, especially in combination with other treatments, such as exercise. Fibromyalgia is often treated with various medications to relieve pain and improve sleep.
Transcutaneous Electrical Nerve Stimulation (TENS) is predominantly used for the treatment of nerve related pain conditions. A TENS machine is generally considered safe, although it is not used in individuals who have a pacemaker or who are in the first weeks of pregnancy.