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

Recent surgery

When to See Your GP About Nerve Pain and B12 Levels You should arrange to see your GP if you experience: Persistent tingling, numbness, or burning sensations in your hands or feet Unexplained weakness or difficulty walking Balance problems or frequent falls Memory problems or cognitive changes Persistent fatigue accompanied by neurological symptoms Symptoms of nerve pain if you have risk factors for B12 deficiency Recent recreational nitrous oxide use with neurological symptoms Your GP will typically begin with a thorough clinical history and examination, followed by blood tests to measure serum B12 levels

Our team takes the time to understand your individual health needs and goals

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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