Aphthous ulcer at lateral border of the tongue, treatment for the same ?
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Here is a comprehensive overview of aphthous ulcers at the lateral border of the tongue and their management:
Aphthous Ulcer — Lateral Border of the Tongue
Overview
Recurrent Aphthous Stomatitis (RAS) is the most common oral mucosal ulcerative condition. The lateral border of the tongue is a frequently affected site. The lesion presents as a shallow, well-circumscribed ulcer with:
- A yellowish-gray fibrinous pseudomembrane at the base
- A surrounding erythematous halo
- Significant pain, often disproportionate to the ulcer size
As per Harrison's Principles of Internal Medicine (21st Ed., p. 1094), recurrent aphthous ulcers and herpes simplex account for the majority of oral ulcerations.
Classification of Aphthous Ulcers
| Type | Size | Number | Healing | Scarring |
|---|---|---|---|---|
| Minor (Mikulicz) | < 1 cm | 1–5 | 7–14 days | No |
| Major (Sutton's) | > 1 cm | 1–2 | Weeks–months | Yes |
| Herpetiform | 1–3 mm | 10–100 clusters | 7–14 days | No |
Lateral border of the tongue lesions are most commonly minor or herpetiform type.
Etiology & Predisposing Factors
- Local trauma (sharp tooth, biting)
- Nutritional deficiencies: Iron, B12, Folate, Zinc
- Hormonal changes (menstrual cycle)
- Stress and immunological dysregulation
- Systemic associations (per Harrison's, p. 1094):
- Behçet's syndrome
- Crohn's disease
- Celiac disease (remits with gluten elimination)
- HIV/AIDS (deep, persistent ulcers)
- Reactive arthritis, SLE
Differential Diagnosis
| Condition | Distinguishing Feature |
|---|---|
| Herpetic stomatitis (HSV-1) | Multiple vesicles → ulcers, gingivitis, systemic fever |
| Traumatic ulcer | Single, correlates with trauma site, irregular border |
| Squamous cell carcinoma | Indurated, non-healing, >3 weeks, rolled borders |
| Behçet's disease | Oral + genital ulcers + ocular involvement |
| Hand-foot-mouth disease | Associated skin lesions, viral prodrome |
Key concern: Any ulcer on the lateral border of tongue not healing within 3 weeks must be biopsied to rule out malignancy.
Treatment
1. Local/Topical Measures (First Line)
| Agent | Formulation | Use |
|---|---|---|
| Triamcinolone acetonide 0.1% | Orabase paste | Apply directly to ulcer 2–4x/day after meals |
| Dexamethasone 0.1 mg/mL | Mouthwash rinse | Swish and spit 3x/day |
| Betamethasone 0.5 mg | Soluble tablets | Dissolve in water, use as mouthwash |
| Lidocaine 2% | Viscous gel | Topical analgesia before meals |
| Benzocaine | Gel/lozenges | Short-term pain relief |
| Chlorhexidine 0.2% | Mouthwash | Reduces secondary bacterial colonization, may shorten duration |
| Tetracycline mouthwash | 250 mg in 5 mL water | Reduces pain and duration; use 4x/day for 2–3 min |
| Amlexanox 5% paste | Topical | Reduces healing time and pain |
2. Systemic Treatment (for Severe/Major/Frequent Ulcers)
| Agent | Dose | Indication |
|---|---|---|
| Colchicine | 0.5–1.5 mg/day | Recurrent RAS |
| Dapsone | 100 mg/day | Resistant cases |
| Pentoxifylline | 400 mg TID | Major aphthae |
| Thalidomide | 50–200 mg/day | HIV-related or major aphthae (caution: teratogenic) |
| Prednisolone | Short tapering course | Severe/major type |
| Azathioprine | 50–150 mg/day | Behçet's-associated |
3. Physical/Procedural
- Cauterization with silver nitrate or diode laser — reduces pain and promotes healing
- Low-level laser therapy (LLLT) — analgesic and healing promotion
4. Nutritional Supplementation
Screen and correct:
- Vitamin B12 (especially if macrocytic anemia)
- Serum iron + ferritin
- Folate
- Zinc
Patient Advice
- Avoid hard, sharp foods (crisps, crusty bread) during active ulceration
- Use SLS-free toothpaste (sodium lauryl sulfate can precipitate attacks)
- Avoid identified trigger foods (chocolate, nuts, tomatoes in susceptible individuals)
- Maintain good oral hygiene
- Soft-bristled toothbrush
When to Refer
- Ulcer persisting > 3 weeks → Oral surgery/biopsy to exclude SCC
- Recurrent ulcers with genital ulcers or uveitis → Rheumatology (Behçet's)
- Recurrent ulcers with GI symptoms → Gastroenterology (Crohn's/Celiac)
- Ulcers in immunocompromised patients → Infectious disease workup
Summary: For a straightforward minor aphthous ulcer at the lateral tongue border, topical triamcinolone acetonide (Orabase) + chlorhexidine mouthwash + topical lidocaine for pain is the standard first-line regimen. Investigate for nutritional deficiencies if recurrent, and always rule out malignancy if the ulcer fails to heal within 3 weeks.
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