biitamin b12 injection Are Vitamin Shots Right for You? Vitamin B12 Injections: Benefits and

We grant you a personal, non-exclusive, non-transferable license to access CaliforniaPetPharmacy.com and to use the information and services contained on the website subject to your compliance with these Terms

The most common side effects include sensation of warmth, redness and pain at the injection site, mild diarrhea, nausea, headaches, pain in joints and a feeling of swelling in the whole body

doi: 10.1002/14651858.CD004655.pub3

However, high doses of vitamin B12, such as those used to treat a deficiency, might cause: Headache Nausea and vomiting Diarrhea Fatigue or weakness Its important to note that these side effects are generally mild and temporary