| Clue | Source | Date |
|---|---|---|
| Dr. House's self-prescription | Newsday | 10 Jun 2023 |
| Strong pain reliever | Premier Sunday | 03 May 2020 |
| Downer drug | Premier Sunday | 15 Dec 2019 |
| OxyContin, e.g | New York Times | 10 Mar 2019 |
| OxyContin, e.g. | ||
| Sedating substance | Premier Sunday | 29 Jul 2018 |
| OxyContin or Demerol | ||
| Drug linked to a mid-2010s epidemic | The Washington Post Sunday | 17 Dec 2017 |
| Endorphin, for instance | Newsday | 09 Apr 2016 |
| Narcotic | ||
| Sedative substance |