Table 6.
Withdrawal severity after psychedelic-associated stimulant cessation or reduction in comparison with previous quit attempts. (n = 123).
| Withdrawal Symptom | n a | Symptom Severity | ||||
|---|---|---|---|---|---|---|
| Much less severe | Less severe | Same | More severe | Much more severe | ||
| n (%) | n (%) | n (%) | n (%) | n (%) | ||
| Fever | 46 | 8 (17.4%) | 9 (19.6%) | 26 (56.5%) | 1 (2.2%) | 2 (4.3%) |
| Heart pounding | 73 | 16 (21.9%) | 21 (28.8%) | 29 (39.7%) | 4 (5.5%) | 3 (4.1%) |
| Psychomotor retardation | 75 | 20 (26.7%) | 23 (30.7%) | 27 (36.0%) | 4 (5.3%) | 1 (1.3%) |
| Increased appetite | 87 | 15 (17.2%) | 19 (21.8%) | 31 (35.6%) | 17 (19.5%) | 5 (5.7%) |
| Drowsiness | 87 | 17 (19.5%) | 23 (26.4%) | 30 (34.5%) | 12 (13.8%) | 5 (5.7%) |
| Unpleasant dreams | 70 | 13 (18.6%) | 22 (31.4.%) | 23 (32.9%) | 7 (10.0%) | 5 (7.1%) |
| Increased heart rate | 77 | 18 (23.4%) | 24 (23.4%) | 25 (32.5%) | 8 (10.4%) | 2 (2.6%) |
| Psychomotor agitation | 69 | 19 (27.5%) | 18 (26.1%) | 21 (30.4%) | 8 (11.6%) | 3 (4.3%) |
| Difficulty concentrating | 93 | 24 (25.8%) | 25 (26.9%) | 28 (30.1%) | 10 (10.8%) | 6 (6.5%) |
| Headaches | 83 | 20 (24.1%) | 22 (26.5%) | 24 (28.9%) | 11 (13.3%) | 6 (7.2%) |
| Restlessness | 89 | 19 (21.3%) | 31 (34.8%) | 20 (22.5%) | 14 (15.7%) | 5 (5.6%) |
| Confusion | 68 | 16 (23.5%) | 23 (33.8%) | 22 (32.4%) | 7 (10.3%) | 0 (.0%) |
| Irritability | 97 | 27 (27.8%) | 31 (32.0%) | 18 (18.6%) | 15 (15.5%) | 6 (6.2%) |
| Fatigue | 88 | 20 (22.7%) | 26 (29.5%) | 26 (29.5%) | 12 (13.6%) | 4 (4.5%) |
| Insomnia | 87 | 17 (19.5%) | 24 (27.6%) | 24 (27.6%) | 13 (14.9%) | 9 (10.3%) |
| Cravings | 95 | 40 (42.1%) | 22 (23.2%) | 18 (18.9%) | 8 (8.4%) | 7 (7.4%) |
| Anxiety | 95 | 33 (34.7%) | 30 (31.6%) | 16 (16.8%) | 11 (11.6%) | 5 (5.3%) |
| Depression | 103 | 35 (34.0%) | 29 (28.2%) | 17 (16.5%) | 13 (12.6%) | 9 (8.7%) |
a
Sample size varies by symptom (range = 46–103), as some participants had never experienced particular withdrawal symptoms. Percentages were calculated based on the number of individuals who reported a particular withdrawal symptom.
Modal responses shown in bold type.