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Pernicious Anaemia Society
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Are mouth ulcers are symptom of b12 and folic acid deficiency?

Hi I was diagnosed with b12 deficiency in August my levels were 143. I've been getting injections. I also have folate deficiency. I'm really struggling at moment. Feeling so tired and down. Also heart palpitations and dizziness. I have been getting chronic mouth ulcers for 6 years every day. Is this linked with b12 and folate deficiency?.

1 Reply

mouth ulcers can be a symptom of B12 deficiency. What treatment are you receiving for the B12 and folate deficiencies?

You can find a list of symptoms of B12 deficiency here


Have you noticed any changes in your symptoms - do they improve when you have an injection and then start going downhill as time goes on until the next injection?


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