Anxiolytics & Hypnotics Flashcards
What does Narcotics refer to in medicine?
Opioids or derivatives of Opioids
Are all anxiolytics are hypnotics?
No
What is one of the worst combinations to give with narcotics?
Alcohol
What system is depressed when taking sedatives with ETOH?
Respiratory system.
An OD would be due to a respiratory death
What pharmacologic effect does a small dose of a hypnotic have?
Sedation
What pharmacologic effect do larger doses have on the body?
Hypnosis or surgical anesthesia depending on the dose
Do benzodiazepines have a wide therapeutic index?
Yes, therefore one of the most widely prescribed anti-anxiety med
What is the MOA of Benzodiazepine?
Inhibits NT by enhancing the opening of neuronal GABA-mediated chloride channels. Making them more permeable.
What happens when GABA binds to the GABA receptor on the alpha 1 subunit?
Sedation
Name the anxiolytic Benzos
chlordiazepoxide diazepam clonazepam clorazepate lorazepam oxazepam alprazolam Triazolam
What nervous system pathway do Benzos not affect?
Autonomic NS. Therefore no affect on BP
What are the indications for Benzos?
Anxiety Panic disorders Insomnia Schizo Depression Muscle spasms Seizures/epilepsy Delirium ETOH w/drawal
What is Alprazolam mostly indicated for?
Panic disorder
Anxierty
Depression associated with anxiety
** not given for insomnia
What is Diazepam work well for?
Insomnia Muscle spams Seizures Epilepsy Delirium Alcohol withdrawal
What Benzo would you give to treat Seizures, or epilepsy?
Clonazepam
Diazepam (Gold standard for status epileptic
Which Benzo has the fastest onset?
Diazepam
Which Benzo has the slowest onset?
Oxazepam
Which Benzo has the longest half-life?
Flurazepam -1st
Diazepam - 2nd
How can benzo be administered?
PO, IM, IV
Should you give diazepam or Chlordiazepoxide as IMs?
No
Becuase of variability in rate and extent of absorption
Which two Benzo are contraindicated if given together?
Lorazepam IM with Olanzapine IM
Can cause death
What are some AEs from specifically taking Benzos parenterally (IM/IV)?
Apnea, hypotension, Brady, cardiac arrest
What should you check before you give a Benzo IM with the patient?
If they have any respiratory issues as it affects the respiratory system.