If any of the symptoms of mouth cancer last for more than 2 weeks, it is important to see a doctor immediately. Symptoms of mouth cancer may include:

* A mouth/lip sore that doesn't heal
* A lump or swelling in the mouth
* White or red patches in the mouth
* An area in the mouth that is numb and remains so
* A lump or thickening in the cheek
* A sore throat that doesn't heal
* Hoarseness
* Bad breath
* Difficulty chewing or swallowing
* Difficulty moving the jaw or tongue
* Numbness in the tongue or part of the mouth
* Pain around the teeth and jaw
* Unexplained weight loss
* A persistent feeling of something being stuck in the throat