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A reference for what the literature reports. Not medical advice.

Disease

megaloblastic anemia

MONDO:0001700Mondo

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Findings

No curated finding names megaloblastic anemia yet. Everything below is reference data from Mondo, HPO and GenCC, not evidence about what affects it.

Definition

Anemia characterized by the presence of unusually large erythroblasts in the bone marrow called megaloblasts. It is usually caused by vitamin B12 or folic acid deficiency. Other causes include toxins and drugs.

Definition from the Mondo Disease Ontology (MONDO:0001700), read 2026-09-29. CC BY 4.0.

Where it sits

A kind of: macrocytic anemia
Narrower terms (6): constitutional megaloblastic anemia with severe neurologic disease
formiminoglutamic aciduria
hereditary folate malabsorption
Imerslund-Grasbeck syndrome
pernicious anemia
vitamin B12- and folate-independent constitutional megaloblastic anemia

Other names

2 names

Resolves to: megaloblastic anemia

Also called: megaloblastic anaemia (disease)megaloblastic anemia (disease)