What is the combination of drugs in EMLA?

EMLA is a topical anesthetic cream that contains a combination of two active ingredients: lidocaine and prilocaine, each at a concentration of 2.5%. This combination of drugs is designed to provide effective local anesthesia for procedures involving the skin, such as venipuncture, minor surgical procedures, and dermatological interventions.

Lidocaine is a fast-acting anesthetic with a relatively short duration of action, while prilocaine has a longer duration and a slightly different metabolism profile. The synergy of these two agents in EMLA enhances the overall effectiveness of the anesthetic effect, providing deeper and more prolonged analgesia compared to using either agent alone.

In contrast, the other options presented consist of either other combinations or single agents that do not reflect the formulation of EMLA correctly. For example, benzocaine is primarily a topical anesthetic useful in various applications but does not contribute to the formulation of EMLA.