Pernicious anemia caused by a lack of intrinsic factor is specifically treated by

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Pernicious anemia is caused by a lack of intrinsic factor, which is needed for the absorption of vitamin B₁₂ from the diet. Therefore, the specific treatment is injections of vitamin B₁₂ to bypass the need for intrinsic factor. Oral doses of iron would not be effective in treating this condition. Injections of vitamin K are used to treat bleeding disorders, but this is not a relevant treatment for pernicious anemia. Injections of clotting factors are also used for bleeding disorders, but not for pernicious anemia.

Pernicious Anemia Caused by a Lack of Intrinsic Factor Is