Swelling of the salivary glands from frequent vomiting can cause the cheeks to swell. This is sometimes known as “bulimia face.” Bulimia nervosa is a mental health condition and eating disorder that ...

Many people suffer from sunken cheeks. Causes of sunken cheeks occur when there's not enough flesh between the zygoma (the bony arch of the cheek below the eye) and the mandible (the lower jawbone).