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Inadequate secretion of intrinsic factor, resulting from lesions that destroy the gastric mucosa (which can be caused by ingestion of corrosives, extensive tumors, and conditions associated with gastric atrophy, such as multiple sclerosis, certain endocrine disorders, iron deficiency, and subtotal gastrectomy) Structural lesions leading to vitamin B 12 deficiency, including regional ileitis, ileal reactions, and malignancies Competition for vitamin B 12 by intestinal parasites or bacteria
The right choice depends on the patients needs and health
A general sense of heaviness or lack of physical coordination
Intramuscular vs Subcutaneous Parenteral administration of vitamin B-12 via injection has been standard protocol for decades, according to the Centers for Disease Control and Prevention
Fix: Pick a protocol, stick with it consistently for the full duration, then assess results
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