Other possible causes of mouth ulcers

Some hormonal factors linked to the menstrual cycle explain in part why women are more often affected by mouth ulcers than men.

Periods of puberty and menopause seem favourable to mouth ulcers.

Mouth ulcers can happen following the use of some medications, such as:

• Anti-inflammatory steroids (AINS)
• Antibiotics
• Benzoic (E210) acid
• Antivitamins K
• Meprobamate
• chemotherapy in general (medications taken during a cancer)
• Sodium lauryl sulfate

The following factors have been proven to trigger mouth ulcers:

• An iron deficiency
• A folates deficiency
• A filling or a false teeth
• Dental bridges
• Tartar removal
• Viruses
• Alcoholism

In some cases, mouth ulcers are linked to other diseases like Behçet's syndrome, Crohn's disease, cancerous ulcerations, PFAPA syndrome, Sweet syndrome, and gluten allergies. A proper diagnosis is important.