Anxiolytics Flashcards
What Class is BENZOS? antidote?
C4
Flumazenil
Therapeutic index for Benzos?
High
How do benzos work?
potentiate GABAminergic stimulation
Benzos and seizures?
increase seizure threshold
Clinical uses for benzos?
- Seizures
- Anxiety
- Antiemetic
- Anesthetic induction
- Alcohol withdrawal
- Muscle relaxation
- Insomnia
Side effects of Benzos?
- Drowsiness
- Confusion
- Sluggishness
- Retrograde amnesia
When is benzo toxic?
if mixed with another CNS depressant
What Benzo has shortest T1/2?
Lorazepam, dosed in 0.1
Best benzo for hepatic disease?
Lorazepam (no active metabolites)
A/E of Lorazepam?
RD & confusion
What other benzo has a short T1/2
Oxazepam, dosed in 10, 15, 30mg
What is a calming herbal?
Valarian
What benzo has a moderate T1/2?
Alprazolam (Xanax) good for panic attacks
What benzo has a long T1/2?
Diazepam (valium), not ideal in elderly
Its metabolites are Lorazepam & Oxazepam
What benzo is good for insomnia?
Temazepam
What is the nonbenzo anxiolytic? How does it work?
Buspirone
Serotonin antagonist
Benefits of Buspirone?
No sedation, buzz, street value, not a controlled substance
Good for bus drivers
Why give Buspirone to drug seekers?
Takes 2-3 weeks to kick in
What are the non-benzo benzos? CLASS?
- Zolipidem (Ambien)
- Zaleplon (Sonata)
- Eszopiclone (Lunesta)
C4
First line for insomnia?
Benadryl
Zolipidem indicated for what?
Short term insomnia, no longer than 7-10 days
Good for sleep walking behavior
Zolipidem has little effects on what?
Skeletal muscle & seizure threshold
Zaleplon half life?
Shorter than zolipdem
rapid onset
Zaleplon for what?
Mid-night awakenings