Benzodiazepines & Barbiturates

Most widely used anxiolytic

Benzodiazepine

Potentiates GABA
INCR the FRQ of Cl channel opening

Benzodiazepine

No GABA mimetic activity

Benzodiazepine

Act through BDZ receptors

Benzodiazepine

COMT

Short acting BZD (2-8hrs)

Clonazepam

Short acting BDZ

Oxazepam

Short acting BDZ

Midazolam

Short acting BDZ

Triazolam

Short acting BZD

LATE

Intermediate acting BDZ (10-20hrs)

Lorazepam

Intermediate acting BDZ

Alprazolam

Intermediate acting BDZ

Temazepam

Intermediate acting BDZ

Estazolam

Intermediate acting BDZ

DFCC

Long acting BDZ (1-3days)

Diazepam

Long acting BDZ

Flurazepam

Long acting BDZ

Chlorodiazepoxide

Long acting BDZ

Chlorazepate

Long acting BDZ

Prolongs GABA activity
INCR duration of Cl channel ooening

Barbiturates

Have GABA mimetic activity at high doses

Barbiturates

Do not act through BDZ receptors

Barbiturates

TMT

Ultra short acting BARB (30 mins)

Thiamytal

Ultra short BARB

Thiopental

Ultra short BARB

Methohexital

Ultra short BARB

SPH

Short acting BARB (2hrs)

Secobarbital

Short acting BARB

Pentobarbital

Short acting BARB

Hexobarbital

Short acting BARB

BAV

Intermediate acting BARB (3-5hrs)

Butabarbital

Intermediate acting BARB

Vintabarbital

Intermediate acting BARB

Amobarbital

Intermediate acting BARB

PM

Long acting BARB

Phenobarbital

Long acting BARB

Mephobarbital

Long acting BARB