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Are my symptoms caused by a B12 deficiency

This nerve damage may result from diabetes, vitamin deficiencies, autoimmune disease, chemotherapy, alcohol or drug misuse, and other causes

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Individuals with vitamin B12 deficiency associated with macrocytic anaemia may present with peripheral neuropathy (sensory disturbances in the extremities such as tingling and numbness, and impaired vibration and joint position sense) and myelopathy that can progress, if untreated, to severe motor problems [5]