Pernicious anemia is a type of vitamin B12 anemia. The body needs vitamin B12 to make red blood cells. You get this vitamin from eating foods such as meat, poultry, shellfish, eggs, and dairy products.

Signs and symptoms. The symptoms of pernicious anemia come on slowly. [citation needed] Untreated it can lead to neurological complications, and in serious cases, death.

Read about a blood disorder called pernicious anemia caused when the body does not make enough red blood cells due to lack of vitamin B12. Symptoms, diagnosis, treatment, and prevention information is included.

Pernicious anemia (per-NISH-us uh-NEE-me-uh) is a condition in which the body can't make enough healthy red blood cells because it doesn't have enough vitamin B12. Other conditions and factors also can cause vitamin B12 deficiency. Examples include infections, surgery, medicines, and diet

Pernicious anemia is a condition in which the body does not make enough red blood cells due to a lack of vitamin B12 in the body. It usually occurs.

Pernicious Anemia Definition. Pernicious anemia is a disease in which the red blood cells are abnormally formed, due to an inability to absorb vitamin B 12.

Pernicious anemia is caused by a lack of intrinsic factor or other causes, such as infections, surgery, medicines, or diet. Lack of Intrinsic Factor

Pernicious anemia is an autoimmune disorder in which your body can’t make enough healthy red blood cells because it can’t absorb enough vitamin B-12.

Pernicious is a term that means destructive, injurious or deadly. . Pernicious anemia is a disease where large, immature, nucleated cells (megaloblasts, which are forerunners of red blood cells) circulate in the blood, and do not function as blood cells; it is a disease caused by impaired uptake of vitamin B-12 due to the lack of intrinsic factor (IF) in the gastric mucosa.