When starting Vitamin B12 therapy, its not unusual for individuals to grapple with questions like, Feeling worse after my B12 injection, is that natural? This period, often termed as a healing crisis, can manifest through symptoms such as: Enhanced feelings of fatigue, tiredness, and increased sleep requirements Sensations akin to mild flu-like symptoms or body aches Experiences of headaches, nausea, or feelings of being lightheaded A foggy mind and challenges with concentration Mood fluctuations including irritability, anxiety, or a subdued mood Alterations in appetite and digestive patterns Contrary to being seen as an adverse reaction, these symptoms are essentially indicative of the body acknowledging and adapting to the surge of B12
This gives you concrete evidence to take to your GP or a private clinician, ensuring you can have a productive conversation and get the right treatment without any needless delays
According to MHRA product information for hydroxocobalamin (the standard injectable form used in the UK), common side effects include injection site reactions and occasional hypersensitivity reactions, but anxiety is not listed as a recognised adverse effect of B12 supplementation
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This means that they cannot carry oxygenated blood around the body properly, leading to nerve damage or neuropathy