The common technique mistakes Most problems trace back to a handful of errors: using the wrong needle length so the dose lands in fat rather than muscle, not cleaning the skin, injecting too fast, injecting at the wrong angle, or reusing a needle
Specifically, this nutrient: Because it is involved in so many bodily functions that correlate to healthy energy levels, B12 is sometimes known as 'the energy vitamin.' When people don't get enough B12 through diet alone, they are likely to suffer from ailments such as megaloblastic anemia
These can include: Pain or discomfort at the site of injection Redness or swelling Itching or rash These reactions are usually mild and go away by themselves
[9] Visual disturbances have been reported in patients with Leber hereditary optic neuropathy, and rapid B12 administration may precipitate optic nerve atrophy in this genetically predisposed population, mandating extreme caution or alternative therapy
The liver can store the vitamin for a long time, so it may take a few years for deficiency and symptoms to develop