Barbiturates are prescribed as anticonvulsants, sedatives, and general anesthetics but can also induce euphoria, elation, and uninhibited behavior which make them candidates for abuse. If individuals suddenly cease using the barbiturates, symptoms of withdrawal syndrome appear 12-20 hours after the last dose.
Youth who use steroids often run the risk of being shorter for the remainder of their lives if they continue to take anabolic steroids before they stop growing.
Marijuana withdrawal symptoms can include but are not limited to a loss of appetite, an inability to sleep, depression, headache, excessive sweating, loose stools, nausea, anxiety, paranoia and irritability or aggression.
The rate of emergency room department visits during 2009 in which heroin was a factor was highest among individuals aged 21-24.