The best replacement for dxm is ketamine.

The best alternatives to dxm are rated as following:
★★★★★  ketamine
★★★★  codeine
★★★  shrooms
★★★  pcp
★★★  dxo
★★★  dmt
★  mxe
★  dph
★  dm
★  codeine high
★  salvia
★  promethazine
★  dxm hbr
  dextromethorphan
  dx1
  lsa
  dm)

Your alternative for dxm is not listed? Suggest!
Speaking about dxm, one probably shouldn't forget about guaifenesin.

Other search terms related to dxm and their ratings are:
★★★★★ guaifenesin
★★ phenylephrine
★★ doxylamine succinate
★ cpm
★ benzos
diphenhydramine
dph
You have in mind a companion for dxm and it is not yet here? Propose!



Google Trends

Scale is based on the average worldwide traffic of dxm in all years. Click on graph for more.
dxm
ketamine
codeine