What is the difference between pernicious anemia and B12 deficiency?

Pernicious anemia involves autoimmune inflammation in the stomach and the inability to absorb vitamin B12 in the small intestine. While vitamin B12 deficiency anemia may be caused by a lack of vitamin B12 in the diet, pernicious anemia is caused by an inability to absorb vitamin B12.
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Can you have B12 deficiency without pernicious anemia?

The symptoms of vitamin B12 deficiency can develop slowly and worsen over time. Some symptoms may be experienced by people who have a vitamin B12 deficiency without anemia. Some people may experience no symptoms, despite low levels of vitamin B12.
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What's the difference between anemia and pernicious anemia?

Anemia is a condition in which the body does not have enough healthy red blood cells. Red blood cells provide oxygen to body tissues. There are many types of anemia. Pernicious anemia is a decrease in red blood cells that occurs when the intestines cannot properly absorb vitamin B12.
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Can you have normal B12 with pernicious anemia?

Spuriously normal vitamin B12 levels can occur in pernicious anaemia due to anti-intrinsic factor autoantibody interference in the laboratory assay. Myelodysplastic syndromes and vitamin B12 deficiency share clinical and laboratory similarities, so a correct differential diagnosis is crucial for adequate treatment.
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Is pernicious anemia the cause of low vitamin B12 levels?

Pernicious anemia, one of the causes of vitamin B12 deficiency, is an autoimmune condition that prevents your body from absorbing vitamin B12. Left untreated, pernicious anemia can cause serious medical issues, including irreversible damage to your nervous system.
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Pernicious anemia vs Vitamin B12 deficiency anemia made easy



What triggers pernicious anemia?

Common causes of pernicious anemia include: Weakened stomach lining (atrophic gastritis) An autoimmune condition in which the body's immune system attacks the actual intrinsic factor protein or the cells in the lining of your stomach that make it.
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What are the signs of pernicious anaemia?

Signs & Symptoms

Symptoms of pernicious anemia may include fatigue, shortness of breath, rapid heart rate, jaundice or pallor, tingling and numbness of hands and feet, loss of appetite, diarrhea, unsteadiness when walking, bleeding gums, impaired sense of smell, and confusion.
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What is the most common cause of B12 deficiency?

Pernicious anaemia is the most common cause of vitamin B12 deficiency in the UK. Pernicious anaemia is an autoimmune condition that affects your stomach. An autoimmune condition means your immune system, the body's natural defence system that protects against illness and infection, attacks your body's healthy cells.
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Does pernicious anemia cause back pain?

Generally, once pernicious anemia is diagnosed, intramuscular B12 injections are continued indefinitely--typically monthly. As to what specific questions to ask your doctor, you might begin with what is causing your symptoms of lower back and leg pain.
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How do you test for pernicious anaemia?

A reticulocyte (re-TIK-u-lo-site) count measures the number of young red blood cells in your blood. The test shows whether your bone marrow is making red blood cells at the correct rate. People who have pernicious anemia have low reticulocyte counts.
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What's the worst type of anemia?

When your body can't make enough healthy red blood cells because it lacks vitamin B-12, you have pernicious anemia (PA). A long time ago, this disorder was believed to be fatal (“pernicious” means deadly). These days it's easily treated with B-12 pills or shots.
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Is there different types of B12 deficiency?

It is another B vitamin. Either a lack of vitamin B-12 or a lack of folate causes a type of anemia called megaloblastic anemia (pernicious anemia). With these types of anemia, the red blood cells don't develop normally.
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Who is at risk for pernicious anemia?

Pernicious anemia is more common in people of Northern European and African descent than in other ethnic groups. Older people also are at higher risk for the condition. This is mainly due to a lack of stomach acid and intrinsic factor, which prevents the small intestine from absorbing vitamin B12.
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Is pernicious anemia classed as a disability?

If you suffer from pernicious anemia or subacute combined degeneration of the spinal cord, and it affects your ability to function at work, you may be eligible for Social Security disability benefits.
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Can pernicious anaemia affect your eyes?

However, vision loss associated with vitamin B12 deficiency or pernicious anemia can occur even in well-nourished individuals who can't absorb enough B12 to support healthy vision.
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Does pernicious anemia cause itching?

People with iron deficiency of any kind may develop pruritus, which is the medical term for itchy skin. As you itch, you may scratch your skin, which can cause redness and bumps that look like rashes.
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Does pernicious anemia cause joint pain?

The drop in Vitamin B12 was a major cause for her health-related issues, suggested doctors. Speaking to Sakal Times, Dr Neeraj Adkar, an orthopedist with the Saishree Hospital, said that vitamin B12 deficiency leads to pernicious anaemia, with knee pain.
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What does low B12 feel like?

Weakness, tiredness, or lightheadedness. Heart palpitations and shortness of breath. Pale skin. A smooth tongue.
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Which disease can occur with a vitamin B12 deficiency?

Pernicious anemia, a deficiency in the production of red blood cells due to a lack of vitamin B12, can cause permanent neurological damage that can lead to death if it is untreated.
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How long does it take to recover from vitamin B12 deficiency?

Once you begin treating your vitamin B12 deficiency, it can take up to six to 12 months to fully recover. It is also common to not experience any improvement during the first few months of treatment. If you can, it's a good idea to address what's causing the deficiency.
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Can pernicious anemia make you feel sick?

These symptoms include nausea (feeling sick to your stomach) and vomiting, heartburn, abdominal bloating and gas, constipation or diarrhea, loss of appetite, and weight loss. An enlarged liver is another symptom. A smooth, thick, red tongue also is a sign of vitamin B12 deficiency and pernicious anemia.
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Can you be cured of pernicious anemia?

As pernicious anemia is an autoimmune condition, people may need life-long treatment to control symptoms. Doctors can treat the vitamin B-12 deficiency. However, there is not yet a cure for the immune system reaction that causes this deficiency to occur.
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Can pernicious anemia cause other autoimmune diseases?

Pernicious anemia is a rare condition characterized by vitamin B12 deficiency anemia due to lack of intrinsic factor, often caused by autoimmune gastritis. Patients with pernicious anemia have a higher incidence of other autoimmune disorders, such as type 1 diabetes, vitiligo, and autoimmune thyroid issues.
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Does pernicious anemia shorten your life?

Currently, early recognition and treatment of pernicious anemia provide a normal, and usually uncomplicated, lifespan. Delayed treatment permits progression of the anemia and neurologic complications. If patients are not treated early in the disease, neurological complications can become permanent.
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