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Index
»
PHARMACOLOGY 1
»
ANXIOLYTIC & HYPNOTIC DRUGS
»
Level 3 - BENZODIAZEPINES
level: Level 3 - BENZODIAZEPINES
Questions and Answers List
level questions: Level 3 - BENZODIAZEPINES
Question
Answer
• metabolized to demoxepam (active), which is converted to nordazepam (active) and then to converted to oxazepam (active) • can cause DELIRIUM TREMENS
CHLORDIAZEPOXIDE • Librium®
• converted into nordazepam and oxazepam • widely used for SEVERAL ANXIETY STATES and has an additional wide range uses (e.g. as anticonvulsant, a premedication in anesthesiology, and in various spastic disorders)
DIAZEPAM • Valium®
• has a LONG over-all half-life • converted to NORDAZEPAM
PRAZEPAM • Verstran®
• marketed as anxiolytic and is well absorbed • converted to nordazepam and oxazepam
HALAZEPAM • Paxipam®
• almost EXCLUSIVELY used in INSOMNIA
FLURAZEPAM • Dalmane®
• relatively SELECTIVE for the BZD modulatory site on GABAA receptors with α1 subunit are HYPNOTIC AGENTS
QUAZEPAM • Doral®
• a PRODRUG converted to NORDAZEPAM • has a QUICK ONSET of action and overall long half-life
CLORAZEPATE • Tranxene®
• an ACTIVE METABOLITE of chlordiazepoxide and diazepam • a SHORT-ACTING anxiolytic
OXAZEPAM • Serax®
• the 2-CHLORO substituent in the oxazepam increases activity • has a SHORT half-life
LORAZEPAM • Ativan®
• a MINOR METABOLITE of DIAZEPAM • useful in patients who experience FREQUENT WAKENING
TEMAZEPAM • Restoril®
TRIAZOLOBENZODIAZEPINES
•Alprazolam •Triazolam • Midazolam
• LOWER LIPHOPHILICITY than other BZD • a HIGHLY POTENT anxiolytic on a milligram basis TRIAZOLOBENZODIAZEPINES
ALPRAZOLAM • Xanax®, Xanor®
• an ULTRA-SHORT ACTING hypnotic • has gained popularity as SLEEP INDUCERS, especially in ELDERLY patients, because it causes LESS DAYTIME SEDATION
TRIAZOLAM • Halcion®
• used IV as a short-acting sedative-hypnotic and as an INDUCTION OF ANESTHETIC because of its SHORT half-life
MIDAZOLAM • Dormicum®
BENZODIAZEPINE ANTAGONIST used to reverse the effect of BZD
FLUMAZENIL