Antimicrobianos Flashcards

(41 cards)

1
Q

Farm antag de á. fol

A

Sulfonamidas
Trimetoprim

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2
Q

Sulfonamidas

A

Sulfacetamida
Sulfadiazina argéntica
Sulfametoxazol

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3
Q

MoA de sulfonamidas

A

Compiten con PABA por enz dihidropteroato sintasa

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4
Q

¿Qué son las sulfonamidas?

A

Análogos estructurales de PABA

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5
Q

MoA de trimetoprim

A

Inh de dihodroproato reductasa

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6
Q

Conformación de cotrimoxazol

A

Trimetoprim-sulfametoxazol

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7
Q

Indicas de antag de á. fol

A

IVUs
Prostatitis
Prev y tx de enf oportunistas en inmunocomp

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8
Q

Adm de cotrimoxazol

A

Oral

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9
Q

Adm de sulfadiazina

A

Tópico

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10
Q

Adm de sulfacetamida

A

Ocular

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11
Q

Distribución de trimetoprim

A

Se concentra en próstata y vagina por atrapamiento iónico (b. debil)

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12
Q

Excreción de sulfonamidas

A

Renal

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13
Q

EA de antag de á. fol

A

Cristaluria
Anemia megaloblástica
Sx Stevens Johnson (hipersens)

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14
Q

Embarazo y antag de á. fol

A

NO en 3er trimestre por riesgo a que bilirrubina se vaya a cerebro del bebé

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15
Q

Farm quinolonas

A

1° Ácido nalidixico
2° Ciprofloxacino
3° Levofloxacino
4° Moxifloxacino

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16
Q

MoA de quinolonas

A

Inh DNA girasa
Inh de topoisomerasa IV

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17
Q

Espectro de ciprofloxacino

18
Q

Espectro de quinolonas (menos ciprofloxacino)

19
Q

Cosas que reducen la absorción de quinolonas

A

Alimentos reducen
Antiácidos bloq

20
Q

Moxifloxacino no es util para…

A

IVU complicada (no se elimina renal)

21
Q

EA característicos de quinolonas

A

Tendinopatía
Neuropatía
Alt de glucemia
Prolongación de QT

22
Q

EA comunes de quinolonas

A

Anorexia
Dolor ab

23
Q

MoA de nitrofurantoína

A

Bactericida al dañar prot ribosimales

24
Q

Espectro de nitrofurantoína

A

Gram -/+ productoras de IVU

25
Absorción de nitrofurantoína
Alimentos mejoran
26
Indicas de nitrofurantoína
Cistitis
27
EA de nitrofurantoína
Nausea Vómito Diarrea
28
MoA de rifaximina
Inh DNA pol Antiniiflamatorio
29
Espectro de rifaximina
E. coli
30
Indicas de rifaximina
Diarrea del viajero Sx de colon irritable Encefalopatía hep
31
EA de rifaximina
Flatulencia Tenesmo Dolor ab
32
¿La rifaximina se absorbe?
NO
33
MoA de daptomicina
Interfiere con potencial de memb (bactericida)
34
Espectro de daptomicina
Gram + drogoresistentes
35
Indicas de daptomicina
Infecciones de bac drogoresistentes
36
Contraindicas de daptomicina
Neumonía (no funciona)
37
EA de daptomicina
Mialgias Rabdomiólisis
38
MoA de colistina
Unión a LPS y rompe memb (bactericida)
39
Espectro de colistina
Gram - drogoresistentes P. aeruginosa
40
Indicas de colistina
Infecciones por bac drogoresistentes
41
EA de colistina
Nefrotox Neurotox