Opiate withdrawal may cause an individual to experience vomiting, cold flashes, insomnia, diarrhea and restlessness.
Antidepressant withdrawal symptoms and their widespread recurrence, even when individuals step down their dose very gradually, is caused by the receptors in the serotonin system experiencing the drop in serotonin to pre-drug levels as starvation.
Valium specifically was detected in 26% of DUI cases in Sweden and its active metabolite nordazepam was detected in 28% of cases.