Benzodiazepinas, agonistas alostericos del receptor GABA: DIAZEPAM Flashcards

1
Q

Mecanismo de acción:

A

-Interacciona con receptor GABA-A (alfa 2 ) en interneuronas de ME.
-Se une a GABA-A(alfa 1) en neuronas del sistema límbico.

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2
Q

Farmacocinetica
Liberación:

A

V.O, IM, supositorio

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3
Q

Farmacocinetica
Absorción:

A

Gastrointestinal, F 99%. Tmax 40-90 min

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4
Q

Farmacinetica
Distribución:

A

UPP 98%, atraviesa BHE y se encuentra en leche materna, VAD.8-1 l/kg

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5
Q

Farmacocineticas
Metabolismo:

A

Hepático y sus metabolitos activos son oxazepam y temazepamsus

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6
Q

Farmacocineticas
Eliminación:

A

Renal, semivida de eliminación 43 hrs

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7
Q

Acción:

A

Vida media: 1-3 días —-Prolongado

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8
Q

Aplicaciones clinicas:

A

-Ansiolítico
-Anticonvulsivante para síndrome de abstinencia por alcohol
-Tratamiento de contracturas → Relajante muscular
-Ansiedad generalizada, status epilépticus

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9
Q

Contraindicaciones:

A

No recomendado en embarazadas y lactancia

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10
Q

Efectos adversos:

A

SN (alucinaciones, trastornos de la conducta, dependencia, sx abstinencia), musculoesqueléticas, dermatológicos, gastrointestinales

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11
Q

Interacciones:

A

-Potencian el efecto del alcohol
-Inhibidores CYP3A4 reducen metabolismo: Eritromicina, itraconazol, jugo toronja,

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