joint pain after b12 injection Why do I feel worse a injection? Has anyone used injectable B12

There are two types of synthetic B12

Prolonged usage of certain Diabetes medications such as Metformin can also lead to B12 deficiency Conditions that affect the digestive system, such as celiac disease, Crohns disease, or atrophic gastritis, can hinder B12 absorption

Early complications of hematopoietic cell transplantation

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Moreover, medications for gastritis, such as proton pump inhibitors, have been reported to inhibit gastric acid production, which might also cause malabsorption of vitamin B 12 [18, 20]

Bundling Rules Services such as stress testing (CPT 93015 or 93017) and pharmacologic agents like J2785 (Lexiscan) must be reviewed carefully to avoid incorrect unbundling