Iron Deficiency vs Vitamin B12 Deficiency

Differential analysis and structured clinical comparative matrix.

Below is a structured comparative analysis detailing key differences in indications, modalitics, clinical diagnostic scopes, or remedy affinities.

Clinical ParameterAnemiaVitamin B12 Deficiency
RBC Indices (CBC)Microcytic (low MCV), hypochromic (low MCH)Macrocytic (high MCV), megaloblastic
Primary BiomarkersLow serum ferritin, elevated TIBC, low serum ironLow serum vitamin B12, elevated methylmalonic acid (MMA)
Neurological SymptomsAbsent; typical signs are fatigue, cold sensitivity, picaPresent (numbness, paresthesias, balance loss, cognitive fog)
Etiological TriggersChronic blood loss (menses, GI), inadequate dietary ironPernicious anemia, strict vegan diet, malabsorption (atrophic gastritis)
Entity Profile A

Anemia

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Entity Profile B

Vitamin B12 Deficiency

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