Anxiolytic/Hypnotic Drugs Lec. 2 Flashcards
What are Therapeutic applications of Benzodiazepines?
1- Anxiety disorders
2- Muscular disorders
3- Amnesia
4- Seizures
5- Sleep disorders
What are drugs use for The longer-acting agents and often preferred in those patients with anxiety that may require treatment for prolonged periods of time?
clonazepam and diazepam
What are drugs use for panic disorders, are effective in the treatment, although it may cause withdrawal reactions in about 30 % of sufferers?
alprazolam and clonazepam
What is drug use for Muscular disorders useful in the treatment of skeletal muscle spasms, such as muscle strain, and in treating spasticity from degenerative disorders?
Diazepam
What is drug found as injectable-only benzodiazepine (short acting benzodiazepines) used for the induction of anesthesia?
Midazolam
What is drug used for Seizures occasionally used in the treatment of certain types of epilepsy?
Clonazepam
What are drugs choice in terminating grand mal epileptic seizures and status epilepticus ?
diazepam and lorazepam
What is drug used for difficulty in falling asleep, frequent nighttime awakening, early awakening in the morning) and has long-acting?
flurazepam
What is drugs use for sleep maintenance?
temazepam
What is drug used for sleep induction?
triazolam
What are Adverse effects of benzodiazepines?
A. Drowsiness and confusion
B. Additive CNS Depression
What is drug drug available for
🟨intravenous administration only. Onset is rapid and competitive GABA receptor antagonist that rapidly reverses the effects of benzodiazepines?
Flumazenil
What is drug selective anxiolytic, with minimal CNS depressant effects (causes only minimal sedation) (it does not affect driving skills), it is devoid of sedation, hypnosis, and general CNS depression or drug abuse liability of benzodiazepinesand and has no anticonvulsant or muscle relaxant properties and useful in the treatment of generalized anxiety disorder and has an efficacy comparable to that of the benzodiazepines.
And The actions of appear to be mediated by serotonin (5-HT1A,2A) receptors and displays some affinity for DA2 dopamine receptors ?
Buspirone
Why Today, they have been largely replaced by the benzodiazepines, primarily because barbiturates?
Because :
1induce tolerance ,2drug-metabolizing enzymes,
3physical dependence, and are 4associated with very severe withdrawal symptoms ,5in addition to their ability to cause coma in toxic doses.
What is drug action:
–ultra short acting , which acts within seconds and has a duration of action of about 20 minutes, is used in the intravenous induction of anesthesia.
thiopental