Causes of Canker sores

Underlying condition causes of Canker sores: The list of possible underlying conditions (see also Misdiagnosis of underlying causes of Canker sores) mentioned in various sources as possible causes of Canker sores includes:

• Streptococcus sanguis
• Infection
• Stress
• Premenstrual syndrome
• Dietary deficiencies
• Certain foods
• Pickles
• Potato chips
• Rough dentures
• Dental braces
• Rough tooth brushing
• Food allergies
• Pregnancy - some women become more prone to canker sores during pregnancy.
• Vitamin B12 deficiency
• Folic acid deficiency
• Emotional stress (type of Stress)

Related information for causes of Canker sores: Further relevant information on causes of Canker sores may be found in the risk factors for Canker sores and underlying causes of Canker sores.
Last revision: October 23, 2003

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