why is vitamin b12 injection painful do I feel worse after a injection? b12 injection arm pain arm

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Intravenous administration without an isotonic admixture can cause hemolysis (red blood cell destruction)

Injection site reactions : Where injectable formulations are used, there is an increased risk of localised reactions, particularly if products are sourced from unsterile or unregulated suppliers

There are two main types of IBD: ulcerative colitis and Crohns disease

In the event of vitamin B12 deficiency, digestive disorders are common (nausea, diarrhoea, constipation)

It helps with memory and deficiencies that are linked to depression