Why do I have white lines on the side of my tongue?

Hello,

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I have seen the image (attachment removed to protect patient identity). It seems to be an inflammation of the tongue mucosa either due to a common mouth ulcer erupting below the tongue or a tongue bite that occurred while chewing the food. If it is an ulcer forms, it will resolve in two days, when it bursts out. It will then heal in a week. You can take an anti-inflammatory medication like Aceclofenac or Ibuprofen if necessary. Such inflammation has a normal course of two weeks in which at least four to five days will be painful before it heals. Frequent ulcerations are caused by either a vitamin B complex deficiency or due to eating patterns. General health conditions like diabetes can also cause them. Hope your doubt is cleared.

I hope this helps.

Thank you.