why do i feel worse after my b12 injection – When Is It Worth It and What Can You One Dose? Why Do I Feel Worse

Side effects of B12 injections Some people may experience side effects following injections with the cyanocobalamin form of B12, such as nausea, headaches, vomiting, itching, and dizziness

Deficiency in B12 can result in symptoms such as trouble concentrating, memory problems, and mood changes

A typical dosage is 1000 mcg (1 mg) administered IM or subcutaneously

After the first outbreak they eventually cleared up - at that time my surgery stopped my injections

The NHS treatment pathway and the 2024 NICE guideline both assume B12 injections are given in a clinical setting against a confirmed deficiency, not self-sourced and self-administered

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