(QUIZ) Fluoroquinolones/azole Flashcards

1
Q

What bacteria is resistant to ciprofloxacin

A

Neisseria Gonorrhoeae

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2
Q

Why is N. Gonorrhoeae resistant to Ciprofloxacin

A

???????

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3
Q

Ciprofloxacin AE

NOT FOR PRGNCY

A
Tendon rupture
AAA
Photosensitivity 
CNS:confusion ^elderly
Cdiff risk
BBW!!! MG muscle weakness
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4
Q

Ciprofloxacin reduced by

A

Aluminum/mag antacids
Zinc/iron salts
Sucralfate
Milk/dairy

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5
Q

Ciprofloxacin elevates

A

Theophylline (asthma)
Warfarin
Tinidazole

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6
Q

Metronidazole & Tinidazole use

Gut/vag infections

A
Protozoal infections
Obligate anaerobes (surgery)
H.pylori 
Cdiff
Trich
Bv
Giardiasis
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7
Q

Metronidazole &Tinidazole SE

do not use in 1st trimester

A
Neurotoxicity 
Allergy
Superinfection
Disulfiram effect w alcohol (weeks)
CA rats
darken urine
nausea, dry mouth, metallic taste
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8
Q

What is initial cdiff treatment?

A

Fidaxomicin

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9
Q

Eye ointment

___ &____

A

Bacitracin

Polymyxin B

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10
Q

(Antifungal)
Amphotericin
-drug of choice for

A

Systemic mycoses

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11
Q

(Antifungal)

Amphotericin MOA

A

Binds to ergosterol in fungal cell membrane

^permeability =leaks intracellular cations (K)

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12
Q

(Antifungal)

Amphotericin AE

A

Fever, chills, HA
Nephrotoxic
Hypokalemia
Bone marrow suppression

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13
Q

(Antifungal)
Azoles
-alternative to ____ for systemic mycoses
-inhibits ___=^____

A

Amphotericin

(Lower toxicity)

Inhibits p450=^other drug levels

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14
Q

Itraconazole MOA

A

Inhibits synthesis of ergosterol by inhibiting fungal p450 dependence enzymes

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15
Q

Itraconazole SE

A

vEF
Liver damage
P450 inhibition
N/v/d

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16
Q

(Echinocandins) [-fungins]

Caspofungin MOA

A

Inhibits biosynthesis of B1,3-4-glucan (part of fungal wall)

17
Q

(Echinocandins)

Caspofungin AE

A

Systemic candida
Pleural space infections
Intraabdominal abscesses

18
Q

(Pyramidine Analog)

Flucytosine use

A

Serious candida and cryptococcus neoformans

19
Q

(Pyramidine Analog)

Flucytosine AE

A

Prolonged 1/2 life w renal insufficiency
BBW!!! Fatal agranulocytosis-Myelosuppression
Hepatotoxicity- ^1/2life of drugs

20
Q

Trimethoprim/sulfamethoxazole (antimetabolite) inhibits
used for:
children-dose based on trimethroprim

A

folic acid synthesis

CAMRSA, UTI, listeria, Silvadene-burns

21
Q

Trimethoprim/sulfamethoxazole AE

A
skin rxcn^
vBS esp w vRenal fx
G6PD-hemolytic anemia
kernicterus
^K
crystalluria=renal damage
megaloblastic anemia, thrombocytopenia
22
Q

Trimethoprim/sulfamethoxazole cross rxcn

A

thiazides, loop diuretics, celebrex, sulfonylureas

23
Q

Quinolones moa

coverage gram:

A

inhibit DNA gyrase (bactericidal)

gram +/- (empiric therapy)

24
Q

Quinolones first generation :

used for:

A

ciprofloxacin

pyelo/uti, intractable diarrhea

25
Q

Quinolones 2nd gen: (2 meds) used for

A

levofloxacin- resp/uti/pyelo/prostatitis, diarrhea

ofloxacin-eye, ear, skin, lungs, prostate, uti

26
Q

Quinolones 3rd gen and use (3)

A

moxiflacin- resp tract infection
norfloxacin-prostate, uti, gonorrhea
gemifloxacin- respiratory infections, CAP

27
Q

Quinolones 4th gen

A

delafloxacin-skin

28
Q

synthetic fluoroquinolone used for gram neg uti:__

can cause _____erosion

A

nadilixic acid

cartilage erosion

29
Q

Topicals for impetigo

A
muciprocin
retapamulin
ozenoxacin
bacitracin
polymyxin