(PubMed) Cox AJ, Lehtinen AB, Xu J, et al
Nodules that persist beyond 72 hours suggest intradermal administration (too shallow) or localized immune response to bacteriostatic water preservatives
Multiple roles of the cytoskeleton in bacterial autophagy
The diagnostic process typically involves: Clinical history taking, focusing on symptoms (fatigue, neurological changes, dietary habits) Physical examination for signs of anaemia or neurological impairment Blood tests including full blood count, serum B12, and often folate levels Additional investigations such as intrinsic factor antibodies or parietal cell antibodies if pernicious anaemia is suspected For borderline results, additional tests like holotranscobalamin (active B12) may be considered NICE guidance recommends that treatment should commence based on clinical presentation if neurological symptoms are present, without waiting for laboratory confirmation, as delays can result in irreversible nerve damage
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You'll often see it paired with boosters like Ethylhexylglycerin
