N&PD Moderators: Skorpio Forums Media, Science and Research Neuroscience and Pharmacology Discussion Promethazine Enhancing the effects of Opioids 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 (1) Like (1) J May 5, 2025 Jnowhere Bluelighter Messages 7,962 Reaction score 4,959 Points 120 Loading… Forums Media, Science and Research Neuroscience and Pharmacology Discussion Promethazine Enhancing the effects of Opioids