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Causes of B12 def/anemia

jacobwentworth profile image
7 Replies

Hello people,

I had a follow up appointment with my doctor, I have finished my loading doses and have been off them for 3 weeks now. I went back to say about new symptoms that have come on such as twitching which I didnt have before and other things like muscle aches and pains, weakness etc. I have a blood test in 3 days which will tell me what the levels are to see if they are working but the doctor suggested that a possible cause could be celiac disease. I do have a swollen lymph node which is a a sign, I was just interested to see if anyone else had uncovered this during treatment or knows anythint about it.

Thanks for any responses :)

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KatieG75147 profile image
KatieG75147

I had a gastroendoscopy where they took a sample for biopsy to check for celiac (not had the results yet), but I think that was more to do with low iron than my low B12. Good luck with your tests.

nellie237 profile image
nellie237 in reply to KatieG75147

Good luck with yours too Katie.

nellie237 profile image
nellie237

Hi Jacob

I was dx coeliac 2yrs ago next month (++ positive blood result & biopsy). Mine were classic symptoms, but more & more people are getting tested and diagnosed due to either low Iron or neurological problems, so its good that your GP is testing. It took them years to test me for it.

I was feeling really rubbish when I was diagnosed, and I'm sure that a lot of that was to do with the low or deficient nutrient levels. I expect that your GP has tested your Iron & Folate, but what about Vit D? GP's are reluctant to test Vit D, as it is considered an expensive test.... so, now they just recommend that everybody needs to supplement. Deficient Vit D caused me to wonder if I had some kind of dementia. It is worth pushing to get tested.

I hope that you get it sorted out.

Gambit62 profile image
Gambit62Administrator

coeliacs is one of the many possible causes of B12 deficiency

wedgewood profile image
wedgewood

The following might be of interest

How to diagnose Pernicious Anaemia 

by  elimination when you have B12 deficiency symptoms . 

if you are not vegan or strict vegetarian.

If you do not take Metformin or PPIs ( proton pump inhibitors e.g.Omeprazole ) any  acid-negating preparations and other pharmaceutical drugs ( look up on the internet ) 

If you do not abuse Nitrous Oxide ( laughing gas) 

If you do not have fish tapeworm 

If you have not had surgery to your digestive system, then you probably have P.A. Then , also if you can tick 4 of the following ———

Low serum B12 

Symptoms of  B12 deficiency (Google to find  out - and there are many symptoms.

Gastric atrophy restricted to the corpus and fundus  

Intestinal metaplasia in the stomach ( can be caused by Helicobacter Pylori.infection 

Macrocytic anaemia ( enlarged red blood cells) and not enough normal sized 

Hypergastrinaemia (various causes including Helicobacter Pylori infection .)  Of course a positive result for an Intrinsic Factor Antibody test(  IFAB) is conclusive proof of Pernicious Anaemia, but , in about 50% of P.A. patients , the test comes back as negative. 

High Homocysteine occurs in untreated or insufficiently treated Pernicious Anaemia patients , but there are also other causes for it . 

High levels of Methylmelonic acid can  also be indicative of Pernicious Anaemia.( In blood or urine ) 

Don’t forget that this information does not come from a medical source , but from someone who went undiagnosed with  pernicious anaemia for many years , and has an irreversible symptom for that reason . By trial and error ( and gross financial depletion ) I have arrived at the above .  I did get a conclusive diagnosis.I was  lucky to get a positive IFA test , obtained through a private doctor ,which was acknowledged by my GP , but I could not get sufficient injections ( only allowed 1 every 3 months ) So now I self inject weekly, and keep well, but  have to cope with the irreversible symptom . 

Reading posts on the forum has been very informative. Best wishes . 

You can have pernicious Anaemia even with a normal VitaminB12 reading . This is called functional deficiency , caused by Intrinsic Factor Antibody interference with the Assay .

PERNICIOUS ANAEMIA IS THE MOST COMMON CAUSE OF VITAMIN B12 DEFICIENCY. 

Sleepybunny profile image
Sleepybunny

Hi,

I hope you find answers and I am going to post some info that might be useful below.

Some links may have details that could be upsetting.

I would suggest you read through this with a supportive friend or family member.

I am not medically trained just someone who suffered from unrecognised and untreated B12 deficiency for many years.

Link about "What to do next" if B12 deficiency suspected or recently diagnosed

b12deficiency.info/what-to-...

Causes and Risk Factors for PA and B12 Deficiency

pernicious-anaemia-society....

b12deficiency.info/what-are...

b12deficiency.info/who-is-a...

What's your diet like?

Do you eat plenty of B12 rich food eg fish, meat, shellfish, dairy, eggs, foods that are fortified with B12?

I have read that being vegan or vegetarian may be a factor in developing B12 deficiency for some people.

You could write out a typical weekly diet, all food and all drink, to show GP and highlight any B12 rich foods you are eating.

If yes to a B12 rich diet, less likely that diet is a cause of B12 deficiency and more likely that there is an absorption issue in the gut eg PA (Pernicious Anaemia), Coeliac disease, H pylori infection, fish tapeworm infection and other internal parasites, Crohn's disease and others.

PAS can offer support and pass on useful info about PA.

PAS membership is separate to membership of this forum.

PAS (Pernicious Anaemia Society)

Based in Wales, UK.

pernicious-anaemia-society.org

There is a helpline number that PAS members can ring.

PAS support groups in UK

pernicious-anaemia-society....

Testing for PA

pernicious-anaemia-society....

I have read that a pepsinogen test may also be useful.

The possibility of PA may not be on the GPs radar for you as it is sometimes thought of as a disease that affects older people. It can affect any age from babies through to the elderly. See PAS website.

Coeliac Disease

NICE guidelines Coeliac disease

nice.org.uk/guidance/ng20/c...

More info on Coeliac UK website.

coeliac.org.uk/home/

H Pylori infection

patient.info/digestive-heal...

Parasites

Internal parasites such as fish tapeworm may lead to B12 deficiency.

Do you eat raw fish or have you stayed in an area where internal parasites are common?

One clue that there may be an internal parasite is a an increase in eosinophils, a type of white blood cell. Eosinophil results can be found in Full Blood Count (FBC) results.

Some other causes of B12 deficiency include

excess alcohol consumption

exposure to nitrous oxide

Nitrous oxide changes B12 into a form that the body cannot use so the person may develop symptoms of B12 deficiency.

Nitrous Oxide

gov.uk/drug-safety-update/n...

Sometimes it can be difficult to admit if drinking in excess or taking nitrous oxide as a recreational drug but vital to be honest with GP.

Symptoms of B12 Deficiency (folate deficiency also mentioned)

pernicious-anaemia-society....

b12deficiency.info/signs-an...

cks.nice.org.uk/topics/anae...

Unhappy with Treatment (UK info)?

Letters to GPs about B12 deficiency

b12deficiency.info/b12-writ...

Link above has letter templates covering a variety of situations linked to B12 deficiency.

Point 1 is about being under treated for B12 deficiency with neurological symptoms.

Point 5 is about being symptomatic for B12 deficiency with an in range serum B12 result.

Wrong ideas about B12 deficiency

Misconceptions about a B12 deficiency

(From Dutch B12 website - units, ref ranges, treatment patterns may vary from UK)

stichtingb12tekort.nl/engli...

UK blog post that mentions misconceptions about B12 deficiency

b12deficiency.info/a-b12-se...

UK B12 documents/articles

NHS article about B12 deficiency (simply written)

nhs.uk/conditions/vitamin-b...

Summary of BSH Cobalamin and Folate Guidelines (main points from BSH document below)

pernicious-anaemia-society....

BSH Cobalamin and Folate Guidelines (detailed and aimed at health professionals)

b-s-h.org.uk/guidelines/gui...

The BNF link below outlines two patterns of treatment for B12 deficiency in UK

1) for those without any neuro symptoms

2) for those WITH neuro symptoms

BNF Hydroxocobalamin

bnf.nice.org.uk/drug/hydrox...

If you have any neurological symptoms, my understanding is that you should have every other day loading injections for as long as symptoms continue to improve (could be weeks even months of them) then a maintenance injection every 2 months.

Some GPs may not be aware that there is a different pattern of treatment if neuro symptoms are present. Make sure your GP has a list of any neurological symptoms you have.

How many loading injections did you have?

How often are you going to get injections now the loading injections have finished?

NICE CKS (Clinical Knowledge Summary) B12 deficiency and Folate deficiency

cks.nice.org.uk/topics/anae...

Local B12 deficiency guidelines

You might find it helpful to track down the local B12 deficiency guidelines for your ICB (Integrated care Board) or Health Board. Your GP or any specialist is likely to refer to these when diagnosing and treating B12 deficiency.

Read the blog post below if you want to know why I suggest finding out what's in the local guidelines.

b12deficiency.info/gloucest...

Have you got recent results for folate, ferritin (and any other iron tests) and Vitamin D?

Forum members often report deficiencies in these.

Have you got any thyroid test results?

It's quite common on this forum to also have thyroid problems.

I suggest putting any thyroid results on Thyroid UK forum on Health Unlocked.

I can post links to other threads where I left very detailed answers so let me know if you'd like me to do this.

Good luck and I hope you start to feel better soon.

Sleepybunny profile image
Sleepybunny in reply to Sleepybunny

You mentioned on another thread that you had not seen a neurologist.

NICE guidance - when to refer B12 deficient patient to a neurologist/haematologist/gastro-enterologist

cks.nice.org.uk/topics/anae...

Seeing a specialist is no guarantee of better treatment but fingers crossed you get a good one.

Referrals are expensive for GP surgeries so they may be reluctant to refer. If your GP is reluctant to refer you then you could ask them to write to a local neurologist/haematologist for advice on how to treat you.

From my difficult experiences with medical professionals I would say that B12 deficiency is poorly understood among GPs and specialists. You may find you need to challenge what your doctors say.

I really hope you have someone to help you.

Some forum members resort to treating themselves if NHS treatment is not enough. I feel this is a last resort.

Symptoms Diary

If you have the time and energy, consider keeping a daily symptoms diary.

Pick up to ten symptoms to track, score severity each day. Note date/amount of any treatment. Note relevant blood test results. A diary could be useful evidence of any improvement or deterioration in symptoms.

If symptoms are getting worse, starting to return or new symptoms appearing then that might mean more frequent B12 injections are needed.

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