antifimicos Flashcards

(17 cards)

1
Q

tx para tb latente o profilaxis es

A

isonazida durante 9 meses
rifampicina por 4 meses para resistentes a isoniazdia

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2
Q

tx de los px con resistencia a isoniazida <4% es

A

isonazida, rifampicina, pirazinamida y etambutol durante 2 meses y
despues isoniazida y rifampicina por 4 meses

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3
Q

en px con VIH <4% puede usarse

A

rifabutina o rifapentina en vex de rifampicina

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4
Q

tx resistentes a isoniazida >4% es

A

rifampicina, pirazinamida, etambutol + fluroquinolona por 6 meses

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5
Q

tx en resistencia a rifampicina es

A

isoniazida, etambutol y fluoroquinolona 12-18 meses con prirazinamida por 2 meses

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6
Q

tx con resistencia a isoniazida y rifampicina es

A

fluroquinilona, pirazinamida, etambutol y amikacina 18-24 meses

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7
Q

tx a multiresistentes es

A

4-5 farmacos a los que sea sensible 18-24 meses puede incluir bedaquilina

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8
Q

MA de isoniazida es

A

inhibe la sintesis de acido micolico

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9
Q

metabolismo de isoniazida es

A

excresion renal, variabilidad farmacogenetica

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10
Q

EA de isoiazida es

A

haptotoxicidad en >50a
neuropatia periferica por disminusion de piridoxina (b6)
anemias y pelagra

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11
Q

MA de rifampicina es

A

inhibición de RNA polimerasa

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12
Q

metabolismo de rifampicina es

A

permeabilidad de SNC (tuberculosis meninges)
CYP

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13
Q

EA de rifampicina es

A

tendencia de los microorganismo a adquirir resistencia
hepatotoxicidad, hipersensibilidad, coloración naranja de orina

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14
Q

MA de etambutol es

A

inhibición de arabinosil transferasa

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15
Q

EA de etambutol es

A

neuritis optica, alterasion de la vision, daltonismo, convulsiones

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16
Q

MA de pirazinamida es

A

inhibición de la sintesis de ácidos grasos

17
Q

EA de pirazinamida es

A

artralgias, hepatotoxicidad, hiperuricemia y gota