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  2. Folate deficiency - Wikipedia

    en.wikipedia.org/wiki/Folate_deficiency

    Signs of folate deficiency anemia most of the time are subtle. [4] Anemia (macrocytic, megaloblastic anemia) can be a sign of advanced folate deficiency in adults. [1] Folate deficiency anemia may result in feeling tired, weakness, changes to the color of the skin or hair, open sores on the mouth, shortness of breath, palpitations, lightheadedness, cold hands and feet, headaches, easy bleeding ...

  3. Pernicious anemia - Wikipedia

    en.wikipedia.org/wiki/Pernicious_anemia

    When suspected, diagnosis is made by blood tests initially a complete blood count, and occasionally, bone marrow tests. [6] Blood tests may show fewer but larger red blood cells, low numbers of young red blood cells, low levels of vitamin B 12, and antibodies to intrinsic factor. [6] Diagnosis is not always straightforward and can be ...

  4. Vitamin B12 - Wikipedia

    en.wikipedia.org/wiki/Vitamin_B12

    "B12" and "Cbl" redirect here. For other uses of B12, see B12 (disambiguation). For the musical group, see Carbon Based Lifeforms. Pharmaceutical compound Vitamin B12 General skeletal formula of cobalamins Stick model of cyanocobalamin (R = CN) based on the crystal structure Clinical data Other names Vitamin B12, vitamin B-12, cobalamin AHFS / Drugs.com Monograph MedlinePlus a605007 License ...

  5. Vitamin B12 deficiency - Wikipedia

    en.wikipedia.org/wiki/Vitamin_B12_deficiency

    Diagnosing Vitamin B12 Deficiency and Cancer [38] If cancer is suspected as the cause of vitamin B12 deficiency, several diagnostic steps are necessary: Blood tests: A blood test can measure vitamin B12 levels, along with other markers such as homocysteine and methylmalonic acid, which may also indicate a deficiency.

  6. Folate - Wikipedia

    en.wikipedia.org/wiki/Folate

    Both adults and children need folate to make normal red and white blood cells and prevent anemia, which causes fatigue, weakness, and inability to concentrate. [115] [116] Increased homocysteine levels suggest tissue folate deficiency, but homocysteine is also affected by vitamin B 12 and vitamin B 6, renal function, and genetics.

  7. Serum vitamin B12 - Wikipedia

    en.wikipedia.org/wiki/Serum_vitamin_B12

    Serum vitamin B 12 is a medical laboratory test that measure vitamin B 12 only in the blood binding to both transcobalamins. [1] Most of the time, 80–94% of vitamin B 12 in the blood binds to haptocorrin, while only 6–20% is binds to transcobalamin ll. [2] Only transcobalamin ll is "active" and can be used by the body. [1]

  8. Schilling test - Wikipedia

    en.wikipedia.org/wiki/Schilling_test

    The Schilling test was a medical investigation used for patients with vitamin B 12 (cobalamin) deficiency. [1] The purpose of the test was to determine how well a patient is able to absorb B12 from their intestinal tract. The test is now considered obsolete and is rarely performed, and is no longer available at many medical centers.

  9. Nutritional anemia - Wikipedia

    en.wikipedia.org/wiki/Nutritional_anemia

    This is common in immunocompromised, elderly, and diabetic people. High blood loss can also come from the increased loss of blood during menstruation, childbirth, cancers of the intestines, and disorders that hinder the blood's ability to coagulate. [citation needed] Medications can have adverse effects and cause nutritional anemia as well.