Eutectic mixture of local anesthetic (EMLA) cream is –
**Core Concept**
The **Eutectic Mixture of Local Anesthetics (EMLA)** cream is a topical anesthetic formulation. It is based on the principle of eutectics, where a mixture of two substances lowers the melting point of each individual component.
**Why the Correct Answer is Right**
EMLA cream contains a mixture of **lidocaine** and **prilocaine**, which are both **amino amide local anesthetics**. This combination creates a eutectic effect, allowing the mixture to remain liquid at room temperature and penetrate the skin more easily, providing effective topical anesthesia.
**Why Each Wrong Option is Incorrect**
**Option A:** Incorrect because it does not specify the components of EMLA.
**Option B:** Incorrect as it is not related to the components of EMLA.
**Option C:** Incorrect because EMLA specifically refers to a mixture of local anesthetics, not other types of drugs.
**Option D:** Incorrect as it is not a recognized component of EMLA cream.
**Clinical Pearl / High-Yield Fact**
EMLA cream is commonly used for minor surgical procedures and for pain relief in procedures like blood sampling or cannulation, especially in pediatric patients.
**Correct Answer:** D. A mixture of lidocaine and prilocaine.