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Normally, these symptoms quickly resolve and are nothing to be concerned about
This keeps vitamin B12 levels up between shots, helping health and preventing symptoms
Monitoring Your Treatment and Long-Term Management Initial monitoring: After starting B12 injections, your GP will typically arrange a full blood count (FBC) to assess haematological response
Wellness 22 May 2026 6 min read Why do I feel worse after my B12 injection
Its important to understand the units and how to convert them for effective treatment
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