| State | ||||||||
| Adult Secondary Drug of Abuse | ||||||||
| Source: IDHW Client Information System | ||||||||
| Common Compounds | 1999-2000 | 2000-2001 | 2001-2002 | 2002-2003 | 2005 | 2006 | 2007 | 2008 |
| Alcohol | 642 | 723 | 775 | 754 | 868 | 1118 | 1372 | 1181 |
| Methamphetamines | 480 | 486 | 665 | 489 | 616 | 833 | 973 | 767 |
| Marijuana | 1239 | 1286 | 1576 | 1370 | 1234 | 1618 | 1925 | 1604 |
| Cocaine | 263 | 188 | 152 | 154 | 134 | 169 | 213 | 223 |
| Heroin | 43 | 57 | 51 | 42 | 24 | 56 | 61 | 79 |
| Other Compounds | 1999-2000 | 2000-2001 | 2001-2002 | 2002-2003 | 2005 | 2006 | 2007 | 2008 |
| Non-Rx Methadone | 1 | 4 | 0 | 2 | 1 | 3 | 8 | 9 |
| Other Opiates/Synth | 36 | 33 | 42 | 38 | 81 | 123 | 144 | 173 |
| PCP | 0 | 2 | 3 | 1 | 1 | 0 | 0 | 2 |
| Hallucinogens | 30 | 26 | 21 | 22 | 21 | 22 | 24 | 24 |
| Other Amphetamines | 16 | 8 | 5 | 6 | 3 | 12 | 20 | 18 |
| Other Inhalants | 5 | 5 | 4 | 3 | ||||
| Benzodiazpine | 6 | 5 | 1 | 5 | 13 | 13 | 24 | 21 |
| Other Tranquilizers | 7 | 8 | 11 | 5 | 1 | 2 | 7 | 2 |
| Barbituates | 3 | 2 | 0 | 1 | 0 | 0 | 3 | 0 |
| Other Sedatives | 2 | 2 | 8 | 3 | 4 | 7 | 6 | 2 |
| Inhalants | 4 | 4 | 2 | 2 | 0 | 3 | 9 | 26 |
| Over-the-Counter | 1 | 5 | 3 | 5 | 2 | 7 | 4 | 3 |
| Other | 10 | 8 | 3 | 5 | 9 | 11 | 2 | 2 |
| None | 1687 | 1606 | 1601 | 1508 | 2022 | 3523 | 3218 | 1923 |