With this technique (described in Chapter 9), the sclerosing solution is injected and/or held in place until the varicosity is seen to spasm
But you may need supplements too, especially if you have one of the risk factors for deficiency and are diagnosed with low levels
Due to the increased risk of low absorption, it is recommended that adults When pregnant If you are pregnant, you will require slightly higher vitamin B12 than the general population
If you have normal B12 levels, an injection is unlikely to make you feel noticeably different
Hydroxocobalamin is the preferred B12 formulation in the UK due to its longer duration of action compared to cyanocobalamin
But in Pernicious Anemia, the immune system produces antibodies that attack Intrinsic Factor, making B12 absorption impossible