Some of the most common include:
Autoimmune Diseases
- Lupus: ulcers, red patches, dry mouth
- Sjögren’s Syndrome: severe dry mouth, swollen glands
- Pemphigus Vulgaris: painful blisters and erosions
- Lichen Planus: white lace-like patches, burning
Endocrine & Metabolic Disorders
- Diabetes: gum disease, delayed healing, fungal infections
- Thyroid Disorders: tongue enlargement, dry mouth
- Iron or B12 Deficiency: burning tongue, pale mucosa
Gastrointestinal Diseases
- Crohn’s Disease: lip swelling, ulcers
- Celiac Disease: enamel defects, recurrent aphthae
Infectious Diseases
- HIV/AIDS: candidiasis, hairy leukoplakia, ulcers
- Tuberculosis or Syphilis: oral lesions, nodules
Hematologic & Oncologic Conditions
- Leukemia: gum bleeding, oral petechiae
- Anemia: pale mucosa, glossitis