Anxiolytics Flashcards
Anxiolytics Mean :
Drugs used to reduce anxiety and calm the patient
Sedatives mean :
Drugs used to reduce activity and the calm patient without inducing sleep
Hypnotics mean :
Are drugs used to induce sleep resembling normal sleep. They are used for insomnia
Drugs used to treat anxiety
Benzodiazepines
Buspirone
Antidepressants
Others
What’s the mechanism of action of benzodiazepines :
They work by binding to GABAa receptor and stimulating it, therefore increasing its inhibitory effect by facilitating chloride inward current. (Hyperpolarization)
Effects of benzodiazepines ?
- Reduces anxiety
- Reduces aggression
- Sedation
- Muscles relaxation
- Anterograde amnesias.
- Respiratory depression when used with CNS depressant (Alcohol)
Best choice of benzodiazepines for anxiety :
Alprazolam
Best choice of benzodiazepines for muscle spasm & seizures ?
Diazepam
Best choice of benzodiazepines for anesthesia ?
Midazolam
What is the route of administration for benzodiazepines
Orally
What’s the nature of benzodiazepines ?
Highly lipophilic
Where do the benzodiazepines metabolize ?
How are they excerted ?
Liver
Excerted renally
Adverse effects of benzodiazepines ?
- Morning sedation
- Confusion
- Poor motor coordination
- Anterograde amnesia
- Paradox excitation
Benzodiazepines interactions ?
- CNS depressants
- CYP450 inducers > decrease BDZs level
- CYP450 inhibitors > increase BDZs level
What’s the use flumazenil ?
Treat benzodiazepines and Z-drugs overdose
Competitive BDZ receptor antagonist