Anxiety symptoms caused by sleeping pill withdrawal might develop somewhat later in the day with the medications Restoril or ProSom, because of the longer half-life.
Vicodin withdrawal symptoms typically begin within 6 to 12 hours of cessation of use. These symptoms may grow stronger and then gradually subside over the next several weeks.
Using other drugs or drinking alcohol sometimes trigger flashbacks in individuals who have used LSD
Without medical supervision, seizures as a result of Valium withdrawal can result in death, so do not attempt to come off of Valium on your own without medical assistance.