**Core Concept**
Geographic tongue, also known as benign migratory glossitis, is a chronic condition characterized by recurring episodes of tongue inflammation leading to well-demarcated areas of atrophy and erythema on the dorsal and lateral surfaces of the tongue. The etiology is multifactorial, involving immune system dysregulation, genetic predisposition, and environmental factors.

**Why the Correct Answer is Right**
The mainstay of treatment for geographic tongue is symptomatic relief, focusing on reducing inflammation and promoting healing. Topical corticosteroids, specifically hydrocortisone, are often prescribed to alleviate symptoms such as pain, burning, and discomfort. The mechanism of action of corticosteroids involves inhibiting the inflammatory cascade by suppressing the release of pro-inflammatory cytokines and mediators.

**Why Each Wrong Option is Incorrect**
**Option A:** Antihistamines are not the primary treatment for geographic tongue, as they are more effective in treating allergic reactions and are not targeted at the underlying inflammatory process.
**Option B:** Antibiotics are not indicated in geographic tongue, as this condition is not caused by a bacterial infection and does not respond to antimicrobial therapy.
**Option C:** Topical anesthetics may provide temporary relief from pain but do not address the underlying inflammation and are not a recommended treatment for geographic tongue.

**Clinical Pearl / High-Yield Fact**
It is essential to distinguish geographic tongue from other oral mucosal conditions, such as oral lichen planus, oral thrush, and pemphigus vulgaris, which require different treatment approaches.

**Correct Answer: C. Hydrocortisone (topical corticosteroids)