**Core Concept**
Frostbite is a condition caused by prolonged exposure to cold temperatures, leading to tissue damage and potential gangrene. The most effective treatment aims to prevent further damage, promote rewarming, and minimize tissue loss.

**Why the Correct Answer is Right**
Rewarming is the initial step in treating frostbite. The American Red Cross recommends rewarming the affected area in warm (not hot) water (around 104°F or 40°C) for 20-40 minutes. This process helps to restore blood flow and promote the resolution of cold-induced vasoconstriction. Rewarming should be done gently to avoid causing further damage. In contrast, rapid rewarming or using hot water can cause additional tissue damage, leading to increased tissue loss.

**Why Each Wrong Option is Incorrect**
**Option A:** Topical antibiotics or antifungal agents are not the primary treatment for frostbite. While they may be used to prevent secondary infections, they do not address the underlying tissue damage.
**Option B:** Elevating the affected extremity may be helpful in some cases, but it is not the most effective treatment for frostbite. In fact, elevating the affected area can worsen tissue damage by reducing blood flow.
**Option C:** Steroids are not indicated in the treatment of frostbite. They do not promote healing or prevent tissue loss and may even exacerbate the condition.

**Clinical Pearl / High-Yield Fact**
The "rule of nines" is a useful mnemonic to remember the areas of the body that are at risk for frostbite: the head and neck (9%), each arm (9%), the chest (9%), each leg (18%), and the genital area (1%). This can help you estimate the extent of tissue damage in cases of frostbite.

**Correct Answer: C. Steroids are not indicated in the treatment of frostbite.