You can tell if a mouth ulcer is healing by observing reduced size and redness, decreased pain and discomfort, and

To get rid of a mouth ulcer fast, try using over-the-counter gels like Bonjela for pain relief, rinse with saltwater, apply a baking soda paste, and avoid spicy or acidic foods that can irritate the ulcer.

Mouth ulcers are a common condition that cause small, painful sores to appear inside the mouth. They can show up on the gums, tongue, cheeks, or soft palate. While they usually heal on their own within a week or two, they can be bothersome, especially when eating or speaking.