Signs of a vitamin b12 deficiency on your tongue explained
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But just because your tongue appears swollen, it doesn't necessarily mean that you have a B12 deficiency. It could be caused by an allergic reaction, low iron levels, or even a cut or
burn on your tongue. In most cases, glossitis goes away by itself over time, and doesn't require any treatment. The condition is more likely to be caused by a B12 deficiency if
it's accompanied by any of the more common symptoms.