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Central Nervous System Depressants

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Presentation on theme: "Central Nervous System Depressants"— Presentation transcript:

1 Central Nervous System Depressants
Drugs used to medicinally to relieve anxiety, irritability, and tension. Includes: Barbiturates (phenobarbital, seconal) Methaqualone (quaalude) Benzodiazepines (valium, xanax) Route of Administration: Oral

2 Arousal Levels Normal Relief from anxiety Disinhibition Sedation Sleep
Anesthesia Coma Death

3 Immediate Physical and Psychological Effects of Depressants
Euphoria Muscle Relaxation Drowsiness Loss of Motor Control Impaired Judgment

4 Long Term Physiological Effects of Depressant Use
Respiratory and circulation depression Lowered libido Hangover Coma Seizures Death

5 Long Term Psychological Effects of Depressant Use
Depression Paranoia Hallucinations Delusions

6 Dependence Psychological High/Moderate Physiological High/Moderate

7 Withdrawal Syndrome Symptoms: Anxiety, insomnia, muscle tremors,
loss of appetite Abrupt cessation or reduced high dose may cause convulsions, delirium and death

8 Cross-Tolerance Sedatives heighten the effect of GABA
Cross-tolerance and dependence often occurs between Barbiturates, Methaqualone, Benzodiazepines, and Alcohol

9 Central Nervous System Depressants
Barbiturates (phenobarbital, seconal) Common uses: Sedation, induce sleep, treat epilepsy Duration: 1 t0 16 hours

10 Central Nervous System Depressants
Methaqualone (quaalude) Common Uses: Relaxation, induce sleep Duration: 4 to 8 hours

11 Central Nervous System Depressants
Benzodiazepines Common uses: treatment of anxiety Long-acting: Valium, Librium Intermediate: Restoril Short-acting: Xanax Duration: 4 to 8 hours

12 Rohypnol Drug Category: Benzodiazeoine, 10 times stronger than valium. Used for short-treatment of severe sleep disorders. Route of Administration: oral, snorted, injected Effect: First effects 30 min.; peak effect 2 hours; effects may last up to 8 hours. Can be detected in urine for 72 hours.

13 GHB Drug Category: Fast acting central nervous system depressant. Colorless, odorless liquid with a salty taste, also in capsule form. Route of Administration: Oral Effects: Initial effects euphoria, relaxation; adverse reaction within 15 minutes to 1 hour (nausea, drowsiness)

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