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DermatologicalICD-10: K14.1Affects approximately 1–3% of the general population

Geographic Tongue

Also known as: Benign Migratory Glossitis

Geographic tongue is a benign inflammatory condition causing irregular, smooth, red patches on the tongue surface bordered by white edges, giving a map-like appearance. The patches can change location and size over days or weeks. It is harmless, not contagious, and typically does not require treatment.

Symptoms

Smooth, red patches on the tongue lacking papillae
Patches bordered by raised white or gray edges
Patches that change location on the tongue over time
Mild discomfort or burning with spicy or acidic foods
Increased sensitivity to certain foods

Causes

  • Exact cause is unknown
  • Loss of papillae on patches of the tongue
  • Possible association with psoriasis
  • Genetic predisposition

Risk Factors

  • Family history of geographic tongue
  • Psoriasis or eczema
  • Hormonal fluctuations
  • Vitamin B or zinc deficiency (suggested but not proven)

Diagnosis

  • Visual examination of the tongue
  • Clinical history of migrating patches
  • Biopsy is rarely needed

Treatment

  • No treatment is necessary in most cases
  • Avoiding foods that cause irritation
  • Over-the-counter pain relievers or topical anesthetics
  • Antihistamine mouth rinses for burning
  • Topical corticosteroids for persistent discomfort

When to See a Doctor

  • Tongue lesions persist for more than 10 days
  • You are concerned about the appearance
  • Pain significantly interferes with eating
  • Additional symptoms develop such as difficulty swallowing

Frequently Asked Questions

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Medical Disclaimer: This content is for educational and informational purposes only. It is not a substitute for professional medical advice, diagnosis, or treatment. Always consult a qualified healthcare provider.

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