Most vitamin injections are safe when administered correctly, but possible side effects include: Mild pain or swelling at the injection site Nausea or dizziness Rare allergic reactions Fat-soluble vitamin buildup (with excessive vitamin D or A) Always receive injections from certified professionals in a clinical setting to ensure safety and effectiveness
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The NHS side-effects guidance for hydroxocobalamin, the form used in the UK, lists nausea, headache, dizziness and injection-site reactions as known effects that usually pass on their own
therefore, use during breastfeeding should be approached with caution
Think of it as your skin and health working from the inside out
When Should You Replace It