Possible temporary reactions include: Mild soreness at the injection site Nausea, headache or dizziness for a day or two Occasional minor bruising Serious side effects are very rare
The injection is given into the muscle of the upper arm or buttock
A recent study has examined the effect of cobalamin supplementation on the outcomes of treatment for feline patients with severe cobalamin deficiency and histories suggesting chronic gastrointestinal disease.5 In this study, serum concentrations of methylmalonic acid normalized following parenteral cobalamin supplementation, indicating that cobalamin deficiency was the cause of the high methylmalonic acid in serum
Minami J, Todoroki M, Ishimitsu T, Yamamoto H, Abe S, Fukunaga T, et al
Duration, Effects & Frequency Guide Reviewed by Dr