What causes smooth spots on the tongue?

Advertisement
Advertisement
A smooth spot on the tongue can have several causes, but it may be linked to a general condition called glossitis, in which the tongue can swell and change colors. With glossitis, the tiny projections called papillae normally found on the tongue are lost and the surface becomes smooth in patches or over the entire tongue. The condition can be triggered by different conditions, including tooth irritation, an allergic reaction, infection, illness, or a vitamin or mineral deficiency in the diet.

Continue Learning about Oral Health

Important: This content reflects information from various individuals and organizations and may offer alternative or opposing points of view. It should not be used for medical advice, diagnosis or treatment. As always, you should consult with your healthcare provider about your specific health needs.