What are clinical signs of Ludwig angina?

Clinical signs of Ludwig angina include:

1. Swelling and inflammation of the floor of the mouth and the submandibular region.
2. Severe pain and tenderness in the affected area.
3. Difficulty in swallowing and speaking.
4. Drooling of saliva due to difficulty in swallowing.
5. Elevated body temperature and fever.
6. Rapid and shallow breathing.
7. Swollen and tender lymph nodes in the neck.
8. Redness and warmth of the skin over the affected area.
9. Restricted movement of the tongue.
10. Difficulty in opening the mouth.
11. Rapid progression of symptoms, with potential for airway obstruction and respiratory distress if left untreated.