He or she can help ensure that you get enough vitamin B 12 and other vitamins. Tell your healthcare provider about any symptoms and follow your treatment plan.
Health Home Conditions and Diseases. What causes vitamin B12 deficiency anemia? It is caused by one of the following: Lack of intrinsic factor. Intrinsic factor is a protein made in the stomach. It is needed to absorb vitamin B This type of B 12 deficiency anemia is called pernicious anemia. Surgery that removes or bypasses the end of the small intestine. This part of the small intestine is where vitamin B 12 is absorbed. The inability to make intrinsic factor may be caused by several things, such as: Chronic gastritis Surgery to remove all or part of the stomach gastrectomy An autoimmune condition, where the body attacks its own tissues Other types of megaloblastic anemia may be linked with type 1 diabetes, thyroid disease, and a family history of the disease.
Who is at risk for vitamin B12 deficiency anemia? Risk factors for vitamin B 12 deficiency anemia include: A family history of the disease Having part or all of your stomach or intestine removed Autoimmune diseases, including type 1 diabetes Crohn's disease HIV Some medicines Strict vegetarian diets Being an older adult What are the symptoms of vitamin B12 deficiency anemia? Symptoms may include: Weak muscles Numb or tingling feeling in hands and feet Trouble walking Nausea Decreased appetite Weight loss Irritability Lack of energy or tiring easily fatigue Diarrhea Smooth and tender tongue Fast heart rate The symptoms of megaloblastic anemia may look like other blood conditions or health problems.
How is vitamin B12 deficiency anemia diagnosed? How is vitamin B12 deficiency anemia treated? Your healthcare provider will figure out the best treatment for you based on: How old you are Your overall health and medical history How sick you are How well you handle certain medicines, treatments, or therapies If your condition is expected to get worse Your opinion or preference Vitamin B 12 deficiency anemia and folate deficiency anemia often occur together and can be hard to tell apart.
Living with vitamin B12 deficiency anemia Depending on the cause of your vitamin B 12 deficiency, you may need to take vitamin B 12 supplements for the rest of your life. Key points about vitamin B12 deficiency anemia With this condition, your body does not have enough healthy red blood cells, due to a lack deficiency of vitamin B It is one of several types of megaloblastic anemia.
Symptoms include weak muscles, numbness, trouble walking, nausea, weight loss, irritability, fatigue, and increased heart rate. Treatment may include vitamin B 12 supplements. Sign up for free, and stay up-to-date on research advancements, health tips and current health topics, like COVID, plus expert advice on managing your health. Error Email field is required.
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This content does not have an Arabic version. See more conditions. This is usually used to treat vitamin B12 deficiency. Most people in the United States get enough vitamin B12 from the foods they eat. But some people have trouble absorbing vitamin B12 from food. The body absorbs vitamin B12 from food in a two-step process. Second, the freed vitamin B12 then combines with a protein made by the stomach, called intrinsic factor , and the body absorbs them together.
However, B12 in supplements does need to combine with intrinsic factor to be absorbed. As a result, they have trouble absorbing vitamin B12 from foods and dietary supplements. Your doctor can test your vitamin B12 level to see if you have a deficiency. If you have a vitamin B12 deficiency, you may feel tired or weak. These are symptoms of megaloblastic anemia, which is a hallmark of vitamin B12 deficiency. You might also have pale skin, heart palpitations, loss of appetite, weight loss, and infertility.
Your hands and feet might become numb or tingly, a sign of nerve problems. Other symptoms of vitamin B12 deficiency include problems with balance, depression , confusion, dementia , poor memory, and soreness of the mouth or tongue. In infants, signs of a vitamin B12 deficiency include failure to thrive , delays in reaching the typical developmental milestones, and megaloblastic anemia.
Scientists are studying vitamin B12 to understand how it affects health. Here are several examples of what this research has shown. Cancer Some research shows that people with high levels of vitamin B12 have a higher risk of cancer. More evidence is needed to understand whether vitamin B12 levels affect cancer risk.
More clinical trials are needed to better understand the effects of vitamin B12 supplementation on cognitive function in older adults. Energy and Endurance Manufacturers often promote vitamin B12 supplements for energy, athletic performance, and endurance. Vitamin B12 supplements can interact or interfere with some medicines that you take. Here are several examples. Gastric acid inhibitors People take gastric acid inhibitors to treat certain digestion problems, such as gastroesophageal reflux disease and peptic ulcer disease.
These drugs can interfere with vitamin B12 absorption from food by slowing the release of hydrochloric acid into the stomach, leading to vitamin B12 deficiency.
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