**Core Concept**
Scabies is a parasitic skin infestation caused by the mite Sarcoptes scabiei, leading to intense itching and a pustular rash. Effective treatment involves using topical or oral medications that target the mite, its eggs, or the host's immune response.
**Why the Correct Answer is Right**
The primary treatment for scabies involves using permethrin 5% cream, which is a topical scabicide that kills the mite and its eggs. It works by disrupting the mite's nervous system, ultimately leading to its death. Another common treatment option is lindane 1% lotion, an oral scabicide that is used in severe cases or for patients who are resistant to topical treatments. Lindane works by interacting with the mite's nervous system and causing its death.
**Why Each Wrong Option is Incorrect**
* **Option A:** This option is incorrect because it does not mention any of the established treatments for scabies.
* **Option B:** This option is incorrect because it does not specify the correct concentration or form of the treatment, making it an ineffective option.
* **Option D:** This option is incorrect because it does not list any of the established treatments for scabies.
**Clinical Pearl / High-Yield Fact**
It is essential to treat all close contacts of a patient with scabies simultaneously, as the mites can easily spread to others. This is especially important in high-risk settings, such as nursing homes or hospitals.
**Correct Answer: C. Permethrin 5% cream and lindane 1% lotion.**
Free Medical MCQs Β· NEET PG Β· USMLE Β· AIIMS
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