- Use can be on a chronic daily basis but more often is taken Phencyclidine IntoxicationAbusePhencyclidine Dependence/Abuse 1. Phencyclidine (PCP) is taken orally, intravenously, or by Sedative, Hypnotic, or Anxiolytic Dependence/ 1. Effects are produced through oral intake of these substances. 3. Physical symptoms occur within 1 hour of PCP use and 3. Physical dependence does not occur with PCP; however, psy- 2. Symptoms of PCP intoxication include belligerence, assaul- 1. Symptoms of intoxication develop during or shortly after 4. Tolerance apparently develops quickly with frequent use. 2. Dependence can occur following recreational use of the include vertical or horizontal nystagmus, hypertension or tolerance.has been reported in chronic users, as has the development of PCP use.chological dependence characterized by craving for the drug tiveness, impulsiveness, unpredictability, psychomotor agita-tion, and impaired judgment.episodically in binges that can last several days.smoking or inhaling.tachycardia, numbness or diminished responsiveness to pain, ataxia, dysarthria, muscle rigidity, seizures or coma, and hyperacusis (APA, 2000). Substance-Related Disorders ●^85
2506_Ch04_071-104.indd Sec1:85 2506 Ch 04 071 - 104 .indd Sedative, Hypnotic, or Anxiolytic Intoxication 4. Once dependence develops, there is evidence of strong 1. Symptoms of intoxication develop during or shortly after 5. Abrupt cessation of these substances can result in life- 3. Chronic use leads to remarkably high levels of tolerance.S 3. Physical symptoms of sedative, hypnotic, or anxiolytic 2. Symptoms of intoxication include inappropriate sexual or ec 1 aggressive behavior, mood lability, impaired judgment, and impaired social or occupational functioning.gait, nystagmus, impairment in attention or memory, stupor, or coma (APA, 2000). threatening withdrawal symptoms. substance-seeking behaviors (obtaining prescriptions from several physicians or resorting to illegal sources to maintain intake of sedatives, hypnotics, or anxiolytics.adequate supplies of the substance).intoxication include slurred speech, incoordination, unsteady substance for relief of anxiety or insomnia.substance “on the street” or after prescribed use of the : 85 1 10/1/10 9:33:59 AM 0 / 1 / 10 9 : 33 : 59 AM
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