Is dextromethorphan a painkiller?

Related questions

1. What is anti NMDA receptor encephalitis?
2. Where is glutamate located in the brain?
3. What does a glutamate receptor do?
4. What drug blocks excess glutamate?
5. What does a NMDA receptor antagonist do?
6. What is a glutamate agonist?
7. What does the AMPA receptor do?
8. How does someone get anti NMDA receptor encephalitis?
9. Is GABA inhibitory or excitatory?
10. Does theanine lower glutamate?

Tags

1. #structurally
2. #suppressant
3. #common
4. #others
5. #including
6. #levorphanol
7. #dextromethorphan
8. #patented
9. #remedies
10. #related
11. #although
12. #opioid
13. #ingredient
14. #itself
15. #considered
16. #robitussin
17. #cough
18. #delsym