Possible causes of Mouth ulcers

9 conditions can cause this symptom. Most common are listed first.

• Aphthous stomatitis (mouth ulcers, oral ulcers) Common Pediatric
• Behçet (mouth, eye, and genital ulcers) Common
• Gingivitis (inflammation of the gums) Common Pediatric
• Herpes stomatitis (viral mouth infection) Common Pediatric
• Oral ulcers (mouth ulcers) Common Pediatric
• Oropharyngeal cancer (mouth cancer) Common
• Autoimmune conditions
• Hand foot and mouth disease (Coxsackie virus) Pediatric
• Reiter syndrome (reactive arthritis)