| naloxone | 纳洛酮 |
| naltrexone | 纳曲酮 |
| narcotic analgesic agent | 麻醉性止痛药 |
| narcotic antagonist | 麻醉药品拮抗剂 |
| narcotic dependence | 麻醉药依赖 |
| narcotics | 麻醉药 |
| narcotics addiction | 麻醉药成瘾 |
| Narcotics Anonymous (NA) | 麻醉药品滥用者互助协会（戒毒会) |
| needle sharing | 共用针头 |
| needle track | 注射斑痕 |
| neurological susceptibility | 易感性 |
| nicotiana tabacum | 烟草 |
| nicotine | 尼古丁，烟碱 |
| nicotine gum | 尼古丁胶姆糖 |
| nicotinism | 尼古丁中毒 |
| nonopioid analgesic | 非阿片类镇痛药 |
| papaveracease | 罂粟科 |
| papaverine | 罂粟碱 |
| papaveris capsular | 罂粟壳 |
| paregorism | 阿片瘾 |
| passive smoking | 被动吸烟 |
| per os | 口服 |
| pharmacodynamic tolerance | 药效耐受性 |
| pharmacokinetics | 药代动力学 |
| pharmacological dependence | 药物依赖 |
| pharmacology | 药理学 |
| physical dependence | 身体依赖 |
| physical withdrawal | 躯体戒断 |
| physiological dependence | 身体依赖（生理依赖) |
| place preference | 位置偏爱实验 |
| poppy shell | 罂粟壳 |
| powdered opium | 阿片粉剂 |
| prevention | 预防 |
| primary prevention | 初级预防，一级预防 |
| protracted opioid abstinence syndrome | 阿片戒断综合征 |
| protracted syndrome | 稽延性症状 |
| psychoactive substance abuse | 精神活性物质滥用 |
| psychotherapeutics | 精神治疗，心理治疗 |
| psychotherapy | 心理治疗 |
| pupillary dilation | 瞳孔扩大 |
| relapse | 复吸 |
| relapse prevention | 预防复吸 |
| reward center | 奖赏中枢 |
| reward system | 奖赏系统 |
| reward effect | 奖赏效应 |
| route of administration | 用药途径 |
| route of transmission | 传播途径 |
| smoke | 吸烟 |
| smokeless tobacco | 无烟烟草 |
| smoker | 吸烟者 |
| smoking cessation | 戒烟 |
| sniffing glue | 嗅胶 |
| snort | 鼻吸 |
| social interaction | 社会干预 |
| soft drug | 软性毒品 |
| solvent abuse | 溶媒滥用 |
| solvent inhalation | 溶媒吸入剂 |
| solvents | 溶剂 |
| stimulant | 兴奋剂 |
| streat drug | 市售药[毒]品 |
| street drug user | 街头吸毒者 |
| street heroin | 市售海洛因 |
| street huffer | 街头溶剂滥用者 |
| street junkie | 吸毒者 |
| substance(drug)-seeking behavior | 觅药行为 |
| syndrome | 综合征 |
