| Detailed drug | Number | Percent distribution | ||||
| Primary | Secondary | Tertiary | Primary | Secondary | Tertiary | |
| Alcohol | 70,196 | 15,676 | 4,433 | 60.3 | 34.4 | 24.2 |
| Crack | 16,721 | 4,976 | 1,647 | 14.4 | 10.9 | 9.0 |
| Other cocaine | 4,018 | 3,238 | 1,854 | 3.4 | 7.1 | 10.1 |
| Heroin/Morphine | 5,980 | 764 | 439 | 5.1 | 1.7 | 2.4 |
| Codeine | 184 | 151 | 85 | 0.2 | 0.3 | 0.5 |
| Hydromorphone | 145 | 59 | 40 | 0.1 | 0.1 | 0.2 |
| Methadone | 140 | 60 | 28 | 0.1 | 0.1 | 0.2 |
| Oxycodone | 85 | 64 | 36 | 0.1 | 0.1 | 0.2 |
| D-propoxyphene | 44 | 25 | 27 | * | 0.1 | 0.1 |
| Meperidine | 20 | 14 | 13 | * | * | 0.1 |
| Pentazocine | 4 | 4 | - - | * | * | - - |
| Other narcotic analgesics | 438 | 312 | 208 | 0.4 | 0.7 | 1.1 |
| Marijuana/hashish | 13,190 | 15,889 | 5,617 | 11.3 | 34.9 | 30.7 |
| Methamphetamine/Speed | 3,251 | 1,785 | 1,235 | 2.8 | 3.9 | 6.7 |
| Amphetamine | 340 | 296 | 291 | 0.3 | 0.7 | 1.6 |
| Methylphenidate (Ritalin) | 9 | 10 | 7 | * | * | * |
| Other stimulants | 59 | 165 | 204 | 0.1 | 0.4 | 1.1 |
| Diazepam (Valium) | 140 | 329 | 307 | 0.1 | 0.7 | 1.7 |
| Alprazolam (Xanax) | 139 | 185 | 160 | 0.1 | 0.4 | 0.9 |
| Lorazepam (Ativan) | 31 | 45 | 26 | * | 0.1 | 0.1 |
| Meprobamate (Miltown) | 10 | 11 | 7 | * | * | * |
| Flurazepam (Dalmane) | 4 | 12 | 7 | * | * | * |
| Clorazepate (Tranxene) | 9 | 8 | 4 | * | * | * |
| Chlordiazepoxide (Librium) | 5 | 8 | 3 | * | * | * |
| Triazolam (Halcion) | - - | 1 | 2 | - - | * | * |
| Other benzodiazepines | 122 | 96 | 92 | 0.1 | 0.2 | 0.5 |
| Other tranquilizers | 65 | 96 | 67 | 0.1 | 0.2 | 0.4 |
| Phenobarbital | 24 | 12 | 15 | * | * | 0.1 |
| Secobarbital/Amobarbital | 3 | 5 | 1 | * | * | * |
| Ethchlorvynol (Placidyl) | 1 | 1 | 6 | * | * | * |
| Methaqualone | 2 | 2 | 2 | * | * | * |
| Secobarbital (Seconal) | 1 | 3 | 2 | * | * | * |
| Other non-barbiturate sedatives | 11 | 18 | 14 | * | * | 0.1 |
| Other sedatives | 69.0 | 117 | 84.0 | 0.1 | 0.3 | 0.5 |
| LSD | 106 | 291 | 422 | 0.1 | 0.6 | 2.3 |
| Other hallucinogens | 41 | 81 | 133 | * | 0.2 | 0.7 |
| PCP/PCP Combinations | 154 | 151 | 131 | 0.1 | 0.3 | 0.7 |
| Aerosols | 60 | 26 | 35 | 0.1 | 0.1 | 0.2 |
| Solvents | 27 | 12 | 21 | * | * | 0.1 |
| Nitrites | 2 | 1 | 8 | * | * | * |
| Anesthetics | 4 | 1 | 1 | * | * | * |
| Other inhalants | 125 | 81 | 98 | 0.1 | 0.2 | 0.5 |
| Diphenylhydantoin | 7 | 1 | 3 | * | * | * |
| Diphenhydramine | 3 | 4 | 3 | * | * | * |
| Other | 510 | 442 | 507 | 0.4 | 1.0 | 2.8 |
| No. of admissions | 116,499 | 45,528 | 18,325 | 100.0 | 100.0 | 100.0 |
SOURCE: Office of Applied Studies, Substance Abuse and Mental Health Services Administration, TEDS - 1.14.98.
