Elevated B12 levels can be a marker for liver diseases, kidney diseases, and blood diseases, including different types of leukemia (chronic myelogenous leukemia and promyelocytic leukemia)
Observe after injection: Have the patient sit (not stand) during and for a few minutes after injection
The injection can also support overall mood and focus, which can make it easier to adhere to a weight loss program
Dosage depends on species, body weight, clinical condition, and intended use
Serious reactions are rare, but an allergic reaction is possible with any injection, which is another reason a first dose in trained hands is sensible
MedlinePlus specifically names myeloproliferative disorders, including polycythemia vera and chronic myelogenous leukemia