N&PD Moderators: Skorpio Forums Media, Science and Research Neuroscience and Pharmacology Discussion LARGE doses of DXM and/or Gabapentin do not effect me. JavaScript is disabled. For a better experience, please enable JavaScript in your browser before proceeding. You are using an out of date browser. It may not display this or other websites correctly.You should upgrade or use an alternative browser. Members who reacted to message #5 All (2) Like (2) T Oct 10, 2020 TheInvisibleStoner Ex-Bluelighter · From USA Messages 1,674 Reaction score 1,123 Points 0 Oct 10, 2020 Druidus Bluelighter Messages 596 Reaction score 7 Points 15 Loading… Forums Media, Science and Research Neuroscience and Pharmacology Discussion LARGE doses of DXM and/or Gabapentin do not effect me.