NonImmune hemolytic anemia secondary to vitamin B12 deficiency—A case report

Key Clinical Message This case report emphasizes the crucial need to include vitamin B12 deficiency in the differential diagnosis of hemolytic anemia, despite its rarity as a presentation. The case illustrates that non‐immune hemolytic anemia can occur secondary to severe vitamin B12 deficiency, which can be effectively treated with vitamin B12 supplementation. Early recognition and comprehensive evaluation are essential for identifying this uncommon yet significant cause of hemolysis, ensuring prompt and appropriate treatment to improve patient outcomes.