Dextromethorphan

**Definition:** Methyl analog of DEXTRORPHAN that shows high affinity binding to several regions of the brain, including the medullary cough center. This compound is an NMDA receptor antagonist (RECEPTORS, N-METHYL-D-ASPARTATE) and acts as a non-competitive channel blocker. It is one of the widely used ANTITUSSIVES, and is also used to study the involvement of glutamate receptors in neurotoxicity.

**Tree numbers:** - D03.132.577.249.200 - D03.605.497.212 - D03.633.400.686.212 - D04.615.723.795.200

**Synonyms:** - d-Methorphan