2-Red tongue
If your tongue is red, appears inflamed in size, and has some surface abnormalities, then that is a sign that you may be dealing with an inflammatory disorder or have an infectious disease. According to Healthline, a red tongue that is inflamed may also indicate that you have a vitamin B12 deficiency, celiac disease, or anemia. Regardless, if your tongue is red and inflamed, then you should seek medical attention.
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