1. White / red rash / wound / sore throat.
2. Skin hardening somewhere in the mouth.
3. Wounds that do not heal for more than one month.
4. Mouth mucus yellowing.
5. Do not tolerate chili or spicy food inside the mouth.
6. Difficulty in opening the mouth.
7. Difficulty in moving the tongue out.
8. Changes in voice (speaking with nose).
9. Excessive saliva secretion.
10. Difficulty in chewing / swallowing.