What active ingredient is found in Xyrem?

Study for the Delaware MPJE Exam. Enhance your knowledge with flashcards and multiple-choice questions, each offering hints and detailed explanations. Prepare effectively for your exam!

Sodium oxybate is the active ingredient in Xyrem, which is primarily used in the treatment of narcolepsy, particularly for managing cataplexy and excessive daytime sleepiness. It is a central nervous system depressant that acts as a gamma-hydroxybutyrate (GHB) receptor agonist. Xyrem has a specific indication for patients with narcolepsy, and the use of sodium oxybate in this context is tightly regulated due to its potential for abuse and the need for monitoring its effects on sleep patterns and overall health.

The other substances listed, such as diphenhydramine, gabapentin, and pregabalin, are notable for different therapeutic uses. Diphenhydramine is an antihistamine commonly used for allergic reactions and as a sleep aid, while gabapentin and pregabalin are used primarily for neuropathic pain and as anticonvulsants. However, none of these other agents play a role in the specific therapeutic effects and approved indications of Xyrem, making sodium oxybate the correct and relevant choice for this question.

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