Vitamin B12 deficiency: Canker sores could be a sign – three symptoms to spot

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Furthermore, the sores that appear may be white, round, or grey with a red edge to their border.

Canker sores are just one symptom of B12 deficiency.

Other symptoms that can be experienced are:
• A pale yellow tinge to the skin
• A sore and red tongue
• Mouth ulcers
• Changes in the way a person moves or walks
• Disturbed vision
• Irritability
• Depression
• Changes in the way a person thinks, feels or behaves
• A decline in mental abilities


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