8 Questions
What are CNS depressants classified into?
7 groups: Sedatives & Hypnotics, Analgesic & antipyretic, AntiAnxiety (Anxiolytic), Anaesthetics, Antidepressant, Antiepileptic, and Drugs used in Parkinson's disease
What is the therapeutic use of barbiturates as sedatives?
In anxiety
What is the effect of hypnotics on sleep?
Cause natural sleep
What is the duration of action of ultra-short acting barbiturates?
5-10 minutes
What is a therapeutic use of benzodiazepines?
As anxiolytic
What is another name for anti-anxiety drugs?
Anxiolytic
What is a common side effect of insomnia?
Anxiety and inability to concentrate
What is the therapeutic use of diazepam?
Hypnotic, sedative, anxiolytic, anti-convulsant, and muscle relaxant
Study Notes
CNS Drugs Classification
- CNS drugs are divided into two groups: CNS depressants and CNS stimulants
- CNS depressants are further divided into eight subgroups
CNS Depressants
- Sedatives & Hypnotics
- Analgesic & antipyretic
- Anti-Anxiety (Anxiolytic)
- Anaesthetics
- Antidepressant
- Antiepileptic
- Drugs used in Parkinson's disease
- Antipsychotics
Sedatives & Hypnotics
- Insomnia: characterized by inability to sleep, anxiety, and inability to concentrate
- Sedatives: drugs that cause tranquility, comfort, and relaxation without causing sleep
- Hypnotics: drugs that cause natural sleep
Barbiturates
- Therapeutic uses:
- Sedative in anxiety
- Hypnotic in insomnia
- Induction agent in anesthesia
- Anti-convulsant in epilepsy
- Classification of Barbiturates:
- Ultra short acting (5-10 minutes): used before general anesthesia (e.g., thiopental)
- Short acting (2-4 hours): (e.g., secobarbital)
- Intermediate acting (4-6 hours): (e.g., pentobarbital)
- Long acting (6-12 hours): (e.g., phenobarbitone)
Non-Barbiturates
- Benzodiazepines:
- Therapeutic uses:
- Hypnotic sedative
- Anxiolytic
- Anti-convulsant
- Used in irritable bowel syndrome
- Muscle relaxant
- Therapeutic uses:
- Examples of non-barbiturates:
- Emazepam
- Diazepam
This quiz covers Central Nervous System (CNS) drugs, classified into depressants and stimulants, including sedatives, analgesics, antidepressants, and antipsychotics. It also discusses their uses and effects.
Make Your Own Quizzes and Flashcards
Convert your notes into interactive study material.
Get started for free
