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Barbituates and Benzodiazepines
Pharmacology Review of Barbituates and Benzodiazepines
30
Pharmacology
Undergraduate 1
03/14/2010

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Cards

Term
What group of drugs does Diazepam belong to and what is it used for (4)?
Definition

-Benzodiazepines

-short term anxiety, anticonvulsant, muscle relaxant, and as an anesthetic in short surgical procedures

Term
What group of drugs does Chlordiazepoxide belong to and what is it used for (1)?
Definition
-Benzodiazepines
- Anxiety
Term
What group of drugs does Clorazepate belong to and what is it used for (2)?
Definition
-Benzodiazepines
-Anxiety, anticonvulsant
Term
What group of drugs does Aprazolom belong to and what is it used for (1)?
Definition
-Benzodiazepines
-Short term anxiety
Term
What group of drugs does Lorazepam belong to and what is it used for (1)?
Definition
-Benzodiazepines
-Sedation
Term
What group of drugs does Zolpidem belong to and what is it used for (1)?
Definition
-Benzodiazepines
-Sedation
Term
What group of drugs does Triazolam belong to and what is it used for (1)?
Definition
-Benzodiazepines
-Sedation
Term
What group of drugs does Clonazepam belong to and what is it used for (1)?
Definition
-Benzodiazepines
- Anticonvulsant
Term
What group of drugs does Midazolam belong to and what is it used for (1)?
Definition
-Benzodiazepines
- Anesthetic for short surgical procedures
Term
What is the mechanism of action of Benzodiazepines?
Definition
They potentiate the inhibitory neurotransmitter GABA.
Term
What are 3 advantages of Benzodiazepines?
Definition
-Wider safety margin than barbiturates
-Do not suppress REM sleep
-Cause less physical and psychological dependance than Barbituates
Term
What are Benzodiazepines used for (5)?
Definition
-Short term and chronic anxiety
-Sedation
-Anesthetics (short surgical procedures)
-Anticonvulsants
-Muscle Relaxants
Term
What are the ADRs of Benzodiazepines (12)?
Definition
-Decreased mental alertness
-Drowsiness
-Sedation
-"Morning hangover"
-Headache
-Dizziness
-Orthostatic hypotension
-Respiratory depression
-Nausea, vomiting, diarrhea
-Rash, itching
-Blurred vision
-Tolerance and dependance
Term
What are the counter indications of Benzodiazepines (4)?
Definition
-Respiratory depression
-Narrow-angle glaucoma
-Hypersensitivity
-Pregnancy, lactation
Term
What are the patient teaching guidelines of Benzodiazepines (15)?
Definition
-These drugs only relieve symptoms temporarily, they do not solve underlying problems
-Nondrug measures should be used to promote relaxation
-Avoid causes of anxiety or insomnia
-Risk of dependance
-Do not perform tasks that require alertness
-Avoid alcohol and other CNS depressants
-Store drugs safely
-Do not share drugs
-Do not increase dosage
-Do not stop taking drugs abruptly
-Don't take everyday, they will lose effectiveness
-Follow instructions carefully
-Take sleeping pills before going to bed
-Omit dosage if excessive drowsiness occurs
-Take with full glass of water and meals/snacks
Term
What are the principles of therapy of Benzodiazepines (4)?
Definition
-Antianxiety drugs are not for everyday stress or anxiety
-Not for long term use
-Should be given for shortest effective period to decrease likelihood of abuse or dependance
-Dosage must be individualized and titrated carefully to prevent withdrawal
Term
What is Flumazenil used for (3) and how does it work?
Definition
(Benzodiazepine antagonist)
-Reverses sedative effects
-Used in case of OD
-Used following general surgery
-Blocks Benzodiazepine receptor
Term
What are the SEs of Flumazenil (7)?
Definition
-Dizziness
-Agitation
-Confusion
-Nausea
-Vomiting
-Hiccups
-Precipitation of convulsions/seizures
Term
What group of drugs does Amobarbital belong to?
Definition
-Barbituates
Term
What group of drugs does Butabarbital belong to?
Definition
-Barbituates
Term
What group of drugs does Pentobarbital belong to?
Definition
-Barbituates
Term
What group of drugs does Phenobarbital belong to?
Definition
-Barbituates
Term
What group of drugs does Secobarbital belong to?
Definition
-Barbituates
Term
What group of drugs does Mephobarbital belong to?
Definition
-Barbituates
Term
What are Barbituates used for/as (3)?
Definition
-Sedative/hypnotic (insomnia)
-Anesthetics (sedation before general anesthesia)
-Anticonvulsants (treating epilepsy and seizures)
Term
What is the mechanism of action of Barbituates?
Definition
They potentiate GABA.
Term
What are the ADRs of Barbituates (10)?
Definition
-CNS depression (OD=death)
-Confusion
-Irritability
-Drowsiness (or paradoxical excitement)
-Nausea
-Vomiting
-Allergic reactions
-Blood dyscrasias
-Hepatic and renal damage
-Tolerance and dependance
Term
What are the counter indications of Barbiturates (5)?
Definition
-Porphyria
-Severe hepatic, renal, or respiratory dysfunction
-Previous addiction to sedative-hypnotics
-Pregnancy, lactating
-Hypersensitivity
Term
Name a drug used for anxiety that is not a Barbiturate or Benzodiazepine.
Definition
Buspirone
Term
Name drugs used for insomnia that are not Barbiturates or Benzodiazepines (2).
Definition
-Eszopiclone
-Ramelton
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