benzodiazepines Flashcards

1
Q

How do Benzodiazepines work?

A

enhance the effect of the inhibitory neurotransmitter gamma-aminobutyric acid (GABA) by increasing the frequency of chloride channels.

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2
Q

When are benzodiazepines used?

A

sedation
hypnotic
anxiolytic
anticonvulsant
muscle relaxant

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3
Q

How long should benzodiazepines be prescribed for?

A

short period of time
2-4 weeks

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4
Q

how should benzodiazepines be withdrawn?

A

steps of 1/8 every fortnight

switch patient patients to equivalent dose of diazepam if regardless of decreasing steps of 1/8 des not work

reduced dose of diazepam every 2-3weeks in steps of 2 or 2.5 mg

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5
Q

how much time is required to reduce dose of benzodiazepams?

A

4 weeks to 1 year

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6
Q

what are the symptoms of benzodiazepine withdrawal?

A

insomnia
irritability
anxiety
tremor
loss of appetite
tinnitus
perspiration
perceptual disturbances
seizures

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7
Q

what are the symptoms of benzodiazepine withdrawal syndrome?

A

insomnia
irritability
anxiety
tremor
loss of appetite
tinnitus
perspiration
perceptual disturbances
seizures

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8
Q

how long does it take to exhibit symptoms of benzodiazepine syndrome?

A

up to 3 weeks

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9
Q

how long does it take to exhibit symptoms of benzodiazepine syndrome?

A

up to 3 weeks

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10
Q

what is a way of remember role of benzodiazepines and barbiturates?

A

GABAA drugs
benzodiazipines increase the frequency of chloride channels
barbiturates increase the duration of chloride channel opening

Frequently Bend - During Barbeque

…or…

Barbidurates increase duration & Frendodiazepines increase frequency

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