| 2021-01-03 | Poison-treating plant |
| 2019-11-27 | Syrup of ___ |
| 2017-05-14 | Poison victim's remedy |
| 2014-11-08 | Drug used in aversion therapy |
| 2010-03-10 | Drug for a poisoning victim |
| 2009-05-04 | Drug used to treat poisoning |
| 2007-11-30 | Syrup of ___ |
| 2007-02-02 | Drug used to treat poisoning |
| 2006-03-08 | Syrup of ___ |
| 2004-07-25 | Syrup in the medicine cabinet |
| 2003-06-11 | Medicinal syrup |
| 2002-12-22 | Drug for a poison victim, maybe |
| 2001-08-25 | Emetic root |
| 1999-07-15 | Medicinal syrup |
| 1998-08-16 | Cough medicine ingredient |
| 1997-06-21 | Medicinal plant |
| 1996-09-19 | Poison remedy |