Recurrent mouth ulcer

Recurrent mouth ulcers, also known as recurrent aphthous stomatitis (RAS) or canker sores, are small, painful sores that develop inside the mouth. They can affect the tongue, gums, inner cheeks, and lips, making eating and talking uncomfortable.


🔹 Causes of Recurrent Mouth Ulcers

Nutritional Deficiencies – Lack of vitamin B12, iron, or folic acid
Stress & Anxiety – Emotional stress can trigger ulcers
Hormonal Changes – More common in women during menstruation or pregnancy
Spicy & Acidic Foods – Citrus fruits, tomatoes, and certain nuts can irritate the mouth
Injury or Trauma – Biting the cheek, sharp teeth, braces, or dentures
Food Allergies – Some people react to gluten, dairy, or acidic foods
Gastrointestinal Issues – Linked to acid reflux, Crohn’s disease, or celiac disease
Autoimmune Disorders – Conditions like Behçet’s disease or lupus
Infections – Viral, bacterial, or fungal infections
Dry Mouth – Leads to irritation and ulcers
Smoking or Alcohol – Can trigger or worsen ulcers


🔹 Symptoms of Recurrent Mouth Ulcers

🛑 Small, round, or oval sores with a white or yellow center and a red border
🔥 Burning or tingling sensation before the ulcer appears
😣 Pain & discomfort while eating, drinking, or talking
🤢 Swelling of the affected area
🤕 Occasional fever & swollen lymph nodes (in severe cases)