Vitamin B12 Deficiency Quiz
Reviewed By:
Scott Nass, MD, MPA, FAAFP, AAHIVS (GP / Family doctor)
Yoshinori Abe, MD (Internal medicine)
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Learn more about Vitamin B12 deficiency
Content updated on Sep 20, 2022
Vitamin B12 deficiency anemia is deficiency of vitamin B12 resulting in insufficient healthy red blood cells. Vitamin B12 is required for the production of red blood cells, which transport oxygen in the body. It can be a result of insufficient B12 in the the diet or inability to absorb B12 in the small intestine, also called pernicious anemia.
Noisy breathing; e.g. wheezing, rattling
Unable to, or have difficulty feeling pain
Recent weight loss
Feel the heart is pounding
Intermittent, crampy abdominal pain
Recent changes in mental state
Abnormalities in sense of taste
Hands and legs became clumsy - I cannot do fine work with them
Your doctor may ask these questions to diagnose vitamin B12 deficiency
Is your breathing noisy; e.g. wheezing, rattling?
Are you unable to, or have difficulty feeling pain?
Have you lost weight recently?
Do you feel your heart is pounding?
Do you have an abdominal (tummy) pain that comes and goes?
Treatment involves dietary modifications, or vitamin B12 supplements in the form of oral medication or injections.
View the symptoms of Vitamin B12 deficiency
Diseases related to Vitamin B12 deficiency
References
Herrmann W, Herrmann M. The Controversial Role of HCY and Vitamin B Deficiency in Cardiovascular Diseases. Nutrients. 2022 Mar 28;14(7):1412. doi: 10.3390/nu14071412. PMID: 35406025; PMCID: PMC9003430.
https://www.mdpi.com/2072-6643/14/7/1412
Reviewed By:
Scott Nass, MD, MPA, FAAFP, AAHIVS (GP / Family doctor)
Yoshinori Abe, MD (Internal medicine)
Just 3 minutes.
Developed by doctors.
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Seiji Kanazawa, MD, PHD
Obstetrics and gynecology (OBGYN)
National Center for Child Health and Development, Japan