**Core Concept**
Acute paronychia is a common, often painful infection of the nail fold (perionyx) and surrounding skin, typically caused by bacterial or fungal pathogens. Effective treatment involves addressing the underlying infection, reducing inflammation, and promoting healing.

**Why the Correct Answer is Right**
The correct treatment for acute paronychia often involves topical or systemic antibiotics to combat bacterial infections, or antifungal agents for fungal causes. Warm soaks or immersion in water can help to soften the nail plate and reduce the pressure on the surrounding skin, promoting drainage of the abscess. The use of a topical antibiotic ointment, such as muiprocin, can aid in the resolution of bacterial infections by inhibiting bacterial protein synthesis.

**Why Each Wrong Option is Incorrect**
**Option A:** Oral corticosteroids are not typically used as first-line treatment for acute paronychia, as they may worsen the infection and delay healing.
**Option B:** Incision and drainage are often reserved for cases of severe abscess formation, and may be performed under sterile conditions by a healthcare professional.
**Option C:** Topical anesthetics, such as lidocaine, may be used to provide temporary pain relief, but do not address the underlying infection.

**Clinical Pearl / High-Yield Fact**
For patients with recurrent paronychia, it's essential to identify and address potential underlying causes, such as nail biting or excessive exposure to water, to prevent future episodes.

**Correct Answer:** C.