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.
Advice on how to use a TENS unit for arthritis: If your arthritic pain is confined to a single region, a TENS unit may help reduce your pain. Just place the electrode pads above and below or parallel to the involved joint. If your arthritic pain is in multiple areas, such as from rheumatoid arthritis, I recommend pad placements in this order.