Drug Of Choice- Micro Flashcards

0
Q

MRSA

A

Vancomycin

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1
Q

Methicillin sensitive SA

A

Penicillinase resistant penicillins (nafcillin, oxacillin, and dicloxacillin)

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2
Q

VRSA

A

Linezolid

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3
Q

Staph epidermidis

A

Vancomycin

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4
Q

Staph saprophyticus

A

TMP SMX, quinolonesw

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5
Q

Strep pyogenes

A

Pen G

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6
Q

Strep agalactiae

A

Pen ag

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7
Q

Group D Strep (Enterococcus Faecalis)

A

Penicillin + gentamicin; vancomycin; linozolid

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8
Q

Strep Pneumoniae

A

Pen G; Levofloxacin/ vancomycin combined with ceftriaxone for penicillin resistance

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9
Q

Viridians streptococci(streptococcus mutans, S. sanguis)

A

Pen G with or without an aminoglycoside; vancomycin; linezolid

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10
Q

Bacillus anthracis

A

Ciprofloxacin

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11
Q

Bacillus cereus

A

Symptomatic for food poisoning; vancomycin, clindamycin, ciprofloxacin, gentamicin for ophthalmitis

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12
Q

Clostridium tetani

A

Penicillin; metronidazole

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13
Q

Clostridium botolinum

A

Adeq ventilatory support; elimination of organism from GIT, trivalent botolinum toxin (A,B,E)

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14
Q

Clostridium perfringens

A

Wound debridement and penicillin for gas gangrene; supportive management for food poisoning

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15
Q

Clostridium difficile

A

Withdrawal of antibiotic, metronidazole

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16
Q

Corynebacterium diphtheriae

A

Antitoxin and Pen G

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17
Q

Listeria monocytogenes

A

Ampicillin with or without gentamycin

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18
Q

Neisseria meningitidis

A

Pen G

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19
Q

Neisseria gonorrhea

A

Ceftriaxone+ gentamycin

20
Q

Haemophilus influenzae

A

Ceftriaxone

21
Q

Bordettela pertussis

A

Erythromycin

22
Q

Legionella pneumophilia

A

Azithromycin or erythromycin

23
Q

E.coli

A

Ampicillin or sulfonamides for UTI; 3rd gen cephalosporin for meningitis and sepsis; rehydration for traveler’s diarrhea

24
Q

Salmonella spo

A

Ceftriaxone, ciprofloxacin; PH: amoxicillin, chloramphenicol, cotrimoxazole

25
Q

Shigella spp

A

Ciprofloxacin in severe cases

26
Q

Vibrio cholera

A

Tetracycline; azithromycin shortens duration

27
Q

Vibrio parahaemolyticus, V. Vulnificus

A

Minocycline plus fluoroquinolone of cefotaxie

28
Q

Campylobacter jejuni

A

Erythromycin for severe disease

29
Q

Klebsiella pneumoniae

A

Culture guided treatment (cephalosporins alone or with aminoglycosides)

30
Q

Proteus mirabilis

A

TMP SMX or ampicillin

31
Q

Pseudomonas aeruginosa

A

Combination of active antibiotics*

32
Q

Bacteroides fragilis

A

Metronidazole, clindamycin or cefoxitin

33
Q

Brucekla abortus

A

Doxycycline plus rifampin

34
Q

Francisella tularensis

A

Streptomycin or gentamycin

35
Q

Yersinia pestis

A

Streptomycin and tetracycline

36
Q

Pasturella multicoda

A

Pen G

37
Q

Mycobacterium avium intrwcellulare complex

A

Azithromycin

38
Q

Mycobacterium leprae

A

Tuberculoid leprosy- dapsone and rifampin; lepromatous leprosy- dapsone, rifampin, clofazimine; erythema nodosum leprosum- thalidomide

39
Q

Actinomycosis

A

Pen G+ drainage

40
Q

Nocardia asteroides

A

TMP SMX + drainage

41
Q

Mycoplasma pneumonia

A

Erythromcyin or azithromycin

42
Q

Treponema pallidum

A

Benzathine penicillin

43
Q

Borrelia burgdorferi

A

Doxycycline

44
Q

Borrelia recurrentis

A

Tetracycline, erythromycin

45
Q

Leptospira interogans

A

Pen G

46
Q

Chlamydia spp

A

STD- azithromycin; conjunctivitis- erthromycin; LGV- doxycycline; psittacosis- azithromycin

47
Q

Rickettsia

A

Doxycycline

48
Q

Klebsiella granulomatis

A

Azithromycin