Risks and Side Effects While generally safe, vitamin B12 injections can have side effects or risks, such as: Mild pain, swelling, or redness at the injection site Dizziness, headache, or nausea Allergic reactions (rare) Hypokalemia (low potassium levels) in individuals with severe deficiency undergoing treatment People with allergies to cobalt or who have Lebers disease should avoid B12 injections unless specifically advised by a doctor
35 There is also compelling evidence that vitamin B 12 deficiency occurs frequently during pregnancy, 2 6 7 and case studies have demonstrated harmful effects of severe vitamin B 12 deficiency on the developing infant brain
Some patients might move from, say, weekly injections to monthly injections as maintenance, then eventually to none if possible
Customer service is always excellent
[Accessed on 5th August 2024] 7
Ensure you understand the plan at each stage: ask your doctor How long do we anticipate Ill need these? at the outset, and at follow-ups ask Are we going to recheck levels or try stopping soon? This will give you a sense of the expected duration
