The third measure, polydrug use, is the sum of hallucinogen, amphetamine, barbiturate , cocaine, and heroin use.
The only two classes of drugs that show any sign of modest increase - at least among 12 th graders - are barbiturate sedatives and minor tranquilizers.
Since then, more than 2,500 barbiturates have been synthesized, of which more than 50 have been marketed.
Female adolescents with sexual abuse histories were also more likely to use hallucinogens, tranquilizers, barbiturates , and inhalants.
These drugs fall into three subgroups: barbiturates and barbiturate-like drugs, minor tranquilizers and alcohol.
Random urine toxicology screens were done at admission and several times throughout the inpatient treatment program to confirm the absence of any cocaine, opiates, barbiturates , or benzodiazapines.
She died, virtually penniless, in 1965 after overdosing on alcohol and barbiturates .
An attack can also be brought on as a result of withdrawal from alcohol or barbiturates ; extreme emotional distress, or fatigue.
Other types of drugs, including barbiturates , sedative antidepressants, and antipsychotic drugs, are less preferred because of their side effects (which range from gastric irritation to high risk of addiction).
Clearly, however, without further research, a presumption that temporal consistencies exist for other drugs, such as marijuana, barbiturates , and methamphetamine, would be an unsubstantiated one.