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What does vitamin b12 deficiency cause?

  • It occurs due to decreased intake of the vitamin, increased requirements or poor absorption.
  • Decreased intake :
  • People in a strict vegan diet
  • Decreased absorption:
  • In the elderly especially due to lack of intrinsic factor that aids in B-12 absorption (pernicious anemia)
  • In people who have undergone surgery involving removal of the section of the bowel responsible for B-12 absorption
  • Atrophic gastritis
  • People on metformin for diabetes
  • People on chronic use of anti-acid drugs and protein pump inhibitors
  • The risk factors include:
  • Vegans
  • Pregnancy
  • Alcohol
  • Certain medications which block absorpition of vitamins

PreventionPrevention

By eating a balanced diet including meat, poultry, cheese, milk among others.

ComplicationsComplications

If untreated for a prolonged period it may lead to

  • Vascular disease including stroke, pulmonary embolism due to elevated homocysteine
  • Memory loss
  • Ataxia
  • Peripheral neuropathy
  • depression

What are the treatment options?What diet is recommended?How is this diagnosed?For informational purposes only. Consult a medical professional for advice.Reviewed by a panel of doctors. Source: Focus Medica. Was this helpful?

  • People also askWhy is vitamin B12 deficiency so dangerous?Why is vitamin B12 deficiency so dangerous?Vitamin B12’s overall value to the human body cannot be stressed enough. In addition to reduced brain mass, long term B12 deficiency has been shown to readily contribute to impaired DNA synthesis and replication inside the body, as well as nerve damage, memory loss, and other cognitive issues.

    Symptoms

    The symptoms include:

    • Skin pallor and yellowing of Skin
    • Extreme weakness and fatigue
    • Sensations of pins and needles due to nerve damage
    • Glossitis and mouth ulcers
    • Breathlessness and dizziness
    • Mood changes: depression, psychosis and irritability
    • Some loss in sense of touch, walking and vision problems
    • Symptoms of dementia
    • Loss of appetite and weight loss

    CausesCauses

    • It occurs due to decreased intake of the vitamin, increased requirements or poor absorption.
    • Decreased intake :
    • People in a strict vegan diet
    • Decreased absorption:
    • In the elderly especially due to lack of intrinsic factor that aids in B-12 absorption (pernicious anemia)
    • In people who have undergone surgery involving removal of the section of the bowel responsible for B-12 absorption
    • Atrophic gastritis
    • People on metformin for diabetes
    • People on chronic use of anti-acid drugs and protein pump inhibitors
    • The risk factors include:
    • Vegans
    • Pregnancy
    • Alcohol
    • Certain medications which block absorpition of vitamins

    PreventionPrevention

    By eating a balanced diet including meat, poultry, cheese, milk among others.

    ComplicationsComplications

    If untreated for a prolonged period it may lead to

    • Vascular disease including stroke, pulmonary embolism due to elevated homocysteine
    • Memory loss
    • Ataxia
    • Peripheral neuropathy
    • depression

    What are the treatment options?What diet is recommended?How is this diagnosed?For informational purposes only. Consult a medical professional for advice.Reviewed by a panel of doctors. Source: Focus Medica. Was this helpful?Why is vitamin B12 deficiency so dangerous? Vitamin B12’s overall value to the human body cannot be stressed enough. In addition to reduced brain mass, long term B12 deficiency has been shown to readily contribute to impaired DNA synthesis and replication inside the body, as well as nerve damage, memory loss, and other cognitive issues.

    What are the symptoms of too much vitamin B12? Other side effects of taking too much vitamin B12 include headache, dizziness, diarrhea, indigestion, nausea, vomiting, back pain, joint pain, swelling, anxiety, nervousness and lack of coordination. There is also risk of contamination with the supplement of this vitamin.

    What are the signs of lack of B12? The signs of vitamin B12 deficiency include exhaustion, rapid heartbeat, brain fog, and other symptoms, says Maggie Moon, RD, a Los Angeles–based nutritionist and owner of Everyday Healthy Eating.

    What are the side effects of too much vitamin B? Too Much Vitamin B Side Effects. Taking too much vitamin B is not without side effects and risks of health problems. For instance, some symptoms from taking too much vitamin B complex may include high blood sugar, blurry vision, numbness, nausea and vomiting, skin lesions, and liver problems.

    What are the signs of lack of B12?

    What are the signs of lack of B12? The signs of vitamin B12 deficiency include exhaustion, rapid heartbeat, brain fog, and other symptoms, says Maggie Moon, RD, a Los Angeles–based nutritionist and owner of Everyday Healthy Eating.

    What happens when B12 is too high? It is, however, important to note that too much B12 may cause issues in certain cases. In some people, high levels of B12 may cause gastrointestinal problems such as bloating and diarrhea. And if you have high blood pressure or poor cardiovascular health, having too much B12 may further complicate these issues.

    What are the side effects of too much vitamin B? Too Much Vitamin B Side Effects. Taking too much vitamin B is not without side effects and risks of health problems. For instance, some symptoms from taking too much vitamin B complex may include high blood sugar, blurry vision, numbness, nausea and vomiting, skin lesions, and liver problems.

    What medical conditions cause high B12 levels? High vitamin B12 in the bloodstream is associated with serious diseases. Medical conditions that can increase levels of vitamin B12 include liver disease, kidney failure and a group of blood cancers known as myeloproliferative disorders, which includes myelocytic leukemia and a condition that causes an overgrowth…