2. Harmless Inflammation

Transient lingual papillitis or TLP is inflammation of the papillae at the front or back of the tongue. These small, slightly painful red and white bumps are harmless and typically heal within a few days. Sugary, acidic, or spicy foods may trigger TLP, as can stress and hormones.

TLP could indicate another underlying health issue if it's accompanied by other symptoms.

Some foods trigger tongue irritation andresr / Getty Images

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