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Pernicious Anaemia Society
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Hashimotos and b12

I posted on another site today after a phone call from my doctor (long story)but the outcome was I perhaps mistakenly said among other things that over 60s and people with hashimotos their b12 should be nearer the top of the range. And should receive treatment especially if sympathetic regardless of the levels of b12 results I would like other people's opinion on this am I wrong.

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You are correct pet-lamb that people with Hishimoto's and over the age of sixty are (among other reasons) at risk of developing a B12 deficiency.

For a fuller list see below:

Vegetarians, vegans and people eating macrobiotic diets.

People aged sixty and over

People who’ve undergone any gastric and/or intestinal surgery, including bariatric surgery for weight loss purposes (Gastric bypass).

People who regularly use proton-pump- inhibitors. H2 blockers, antacids, Metformin, and related diabetes drugs, or other medications that can interfere with B12 absorption.

People who undergo surgeries or dental procedures involving nitrous oxide, or who use the drug recreationally.

People with a history of eating disorders (anorexia or bulimia).

People with a history of alcoholism.

People with a family history of pernicious anaemia.

People diagnosed with anaemia (including iron deficiency anaemia, sickle cell anaemia and thalassaemia).

People with Crohn’s disease, irritable bowel syndrome, gluten enteropathy (celiac disease), or any other disease that cause malabsorption of nutrients.

People with autoimmune disorders (especially thyroid disorders such as Hashimoto’s thyroiditis and Grave’s disease) Type 1 diabetes, vitiligo, lupus, Addison’s disease, ulcerative colitis, infertility, acquired agammaglobulinemia, or a family history of these disorders.

Women with a history of infertility or multiple miscarriages.

The British Society fro Haematology recommends:

"4 In the presence of discordance between the test result and strong clinical features of deficiency, treatment should not be delayed to avoid neurological impairment".


I'm not a medically trained person but I hope this helps.

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Thank you clivealive you're help is always appreciated


Spot on pet-lamb!

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