Dextromethorphan (DXM) is a cough suppressant commonly found in over-the-counter medications. As an analogue, it may refer to various compounds that are chemically related or share similar pharmacological properties. Some notable analogues and related compounds include:
1. **Dextrophan** - An active metabolite of DXM that possesses some cough suppressant properties.
2. **Dextrorphan** - Another active metabolite of DXM, primarily noted for its


