Table 2.
Characteristics of drug use in methamphetamine and methcathinone users
| Methamphetamine | |||||||||
|---|---|---|---|---|---|---|---|---|---|
| Subject | Age (yr) | Sex | Weight | Usual amount | Heaviest binge | Route | Duration of use | Last use | PET |
| 1 | 26 | M | 86.3 kg | ¼–½ g/d | 1¼ g in 1 d | snorted/smoked | 3 years | 8 /95 | 12 /95 |
| 2 | 45 | M | 85.6 kg | ¼ g/d | 1–2 g in 1 d | snorted/IV | 20 years | 7 /93 | 1 /97 |
| 3 | 45 | M | 67.6 kg | ¼–½ g/d | ½–1 g in 1 d | snorted | 3 years | 5 /93 | 2 /97 |
| 4 | 41 | F | 60.8 kg | ¼ g/d | ½ g in 1 d | snorted/smoked | 10 years | 12 /93 | 4 /97 |
| 5 | 39 | F | 74.3 kg | 3½ g/d | 3½ g in 1 d | snorted | 12 years | 3 /91 | 8 /96 |
| 6 | 29 | F | 58.6 kg | ¼ g/d | 8 g in 1 d | snorted/smoked/IV | 18–20 years | 11 /96 | 4 /97 |
| Methcathinone | |||||||||
| Subject | Age (yr) | Sex | Weight | Usual amount | Heaviest binge | Route | Duration of use | Last use | PET |
| 1 | 29 | F | 62.6 kg | 2 g/d | 6¼ g in 1 d | oral/snorted | 3 years | 4 /93 | 7 /95 |
| 2 | 26 | M | 75.9 kg | 3½ g/d | 7 g/d/41 d | oral/snorted | 3 years | 4 /92 | 7 /95 |
| 3 | 30 | M | 78.8 kg | 1 g/d | 7 g in 4 d | snorted | 2 years | 1 /93 | 10 /95 |
| 4 | 38 | F | 60.8 kg | 1–3 g/d | 4 g in 1 d | snorted | 3 years | 3 /93 | 8 /96 |
Estimated amounts of drug use are expressed in grams (g). IV, Intravenous use.