10 Causes of a Sore Tongue
Cause #6: Vitamin B12 Deficiency
Vitamin B12 deficiency is also known as cobalamin deficiency. As the name suggest, it refers to low blood levels of vitamin B12. In individuals with a mild deficiency, symptoms include anemia and tiredness. Moderate cases lead to neurological issues such as paresthesia and inflammation of the tongue. Severe vitamin B12 deficiency can result in greater neurological issues (decreased taste, psychosis, poor muscle function, and so on) and reduced heart function.
In vitamin B12 deficiency, inflammation of the tongue can cause pain and soreness of the tongue. This condition can be due to poor absorption, surgical removal of the stomach, intestinal parasites, chronic inflammation of the pancreas, and genetic disorders.
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