# dextromethorphan

Pronunciation: US say "dek-stroh-muh-THOR-fan" /ˌdɛk.stɹoʊ.məˈθɔɹˌfæn/; UK say "dek-stroh-muh-THAW-fan" /ˌdɛk.stɹəʊ.məˈθɔː.fæn/

## Noun

1. An opioid used to suppress coughing, found in many over-the-counter cold and cough remedies, and used as an NMDA blocker to treat pseudobulbar affect.
   - Simple: A medicine that calms coughing, found in many cold and cough products sold without a doctor's note.
   - _Many cold remedies list dextromethorphan as the active ingredient that quiets a persistent cough._
   - _Her doctor prescribed dextromethorphan together with quinidine to manage her pseudobulbar affect._

## Origin

Formed from the prefix "dextro-" combined with "methorphan".

Source: DictionaryAI, https://dictionaryai.com/define/dextromethorphan (written from Wiktionary data, CC BY-SA 4.0: https://creativecommons.org/licenses/by-sa/4.0/).