Antifímicos Flashcards

1
Q

Protocolos farmacologicos para la tb

A
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2
Q

MoA de la isoniazida

A

Inhibe síntesis de ácido micólico, que componen la pared bacteriana

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3
Q

Efectos adversos de la isoniazida

A
  • Riesgo de hepatitis grave en >50 años
  • Causa deficiencia de la Vit B6 (piridoxina) QUE PROVOCA ANEMIA Y NEUROPATÍA PERIFÉRICA (mareos, ataxia, encefalopatía, Sx. lupus like)
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4
Q

La isoniazida requiere ajuste en falla renal. V/F

A

Falso, no requiere

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5
Q

Rifampicina MoA

A

Inhibe la síntesis de ARN polimerasa

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6
Q

Distribución rifampicina

A

permeabilidad al SNC (tuberculosis meningea)

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7
Q

Metabolismo rifampicina

A

Inductor de CYP 1A2, 2C9 y 3A4

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8
Q

EA rifampicina

A
  • Hepatotoxicidad
  • Reacciones de hipersensibilidad
  • Le da una coloración naranja a líquidos corporales
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9
Q

MoA Etambutol

A

el arabinosil transferasa sintetinza el arabinogalactan de la pared celular —> lo que hace el etambutol es inhibir al arabinosil transferasa

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10
Q

EA del etambutol

A
  • Neuritis óptica: es como un tipo de daltonismo (alteración de la visión rojo y verde)
  • Hiperuricemia y gota
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11
Q

Pirazinamida

A

Inhibe la síntesis de ácidos grasos–> inhibe la síntesis de la membrana bacteriana—> por lo que tmbn actua contra el ácido micólico

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12
Q

EA de pirazinamida

A
  • Artralgias
  • Hiperuricemia y gota
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