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91 Cards in this Set

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bacterial pneumonia?

penicillin if susceptible (MIC<0.1)


3G-ceph, high dose pen, fluoroquinolone (MIC between 0.1-1)


fluoroquinolone, vancomycin, linezolid (MIC>1.0)




**** NOT CIPROFLOXACIN***



empyema?

3GC + clindamycin, Pip-Tazo, or carbapenem

Lung abscess?

Pip-Tazo, Ceftriaxone + metronidazole

Bordatella pertussis?

Erythromycin drug of choice (macrolides)


vaccine = Tdap (adults), Dtap (kids)

Legionnaire's Disease?

Erythromycin drug of choice


other macrolides, TMP/SMZ, tetracycline, quinolones




14-21d

Mycoplasma pneumonia?

macrolides, quinolones (NOT CIPRO)

Chlamydia psittaci?

doxy, tetracycline, macrolides, quinolones for 2-3 weeks

other atypical pneumonias? (Q fever, tularemia)

tetracyclines, quinolones

Pneumocystic jaroveci (AIDS patients)?

TMP/SMZ prophylaxis & Rx

ESBL-producing Enterobacteriaceae? (E. coli, Klebsiella, P. mirabilis)

Carbapenems

Rheumatic fever prophylaxis?

Sulfas

Nocardia infection

Sulfas, minocycline

Toxoplasmosis?

TMP/SMX

GI dysmotility disorders?

Erythromycin

C. difficile?

Fidaxomycin

Strep. pyogenes (GAS), S. pneumoniae, H. influenzae

Clarithromycin and azithromycin (bactericidal)

macrolides - Gm+ bacteria

clarithromycin

macrolides - Gm- bacteria

azithromycin

Chlamydia and gonorrhea

Azithromycin (single-dose Rx)

GI infections: H. pylori, C. jejuni, C. difficile

Macrolides (fidaxo only for C. difficile)

M. avium intracellulare, other NTM

clarithromycin and azithromycin

Rickettsial infections, Brucella, Lyme disease, Chlamydia, H. pylori, CA-MRSA (if S), acne

tetracyclines

Stenotrophomonas maltophilia

minocycline, TMP/SMZ, Ticarcillin/clavulanate (Timentin)

MSSA, MRSA, VISA, VRSA, MRSE, VRE, Pen-R Strep. pneumo (complicated skin/soft tissue, intra-abdominal infections, CA bacterial pneumonia)

Tigecycline (avoid unless only choice)

Gram + cocci, Gram - cocci (Neisseria meningitidis), anaerobes (severe Clostridia)

Penicillin G

Syphilis?

Penicillin G

Gram + cocci and bacilli except L. monocytogenes, Enterococcus, MRSA

methicillin, nafcillin, oxacillin, cloxacillin, dicloxacillin

severe penicillinase-producing S. aureus infections (not MRSA)?

Nafcillin

serious enterococcus and Listeria infections?

Ampicillin IV (given in combo with aminoglycoside for synergistic killing)

sinusitis, otitis, bronchitis, mild CA pneumonia?

Amoxicillin PO

serious gram negative infections


Bacteremia, pneumonia, endocarditis, osteomyelitis, UTI, pelvic & intra-abdominal infections

Piperacillin

skin & soft tissue infections, surgical prophylaxis (except bowel or appendix)

Cefazolin (1st gen)

CA-pneumonia (not nosocomial), epiglottitis, complicated sinusitis, bacteremia, soft-tissue infection, UTI

Cefuroxime (2nd gen)

minor respiratory tract infections

Cefaclor (2GC)

Gram negative gut anaerobes (Bacteroides fragilis) - intra-abdominal/pelvic, infected decubitus ulcers, mixed aerobic-anaerobic soft tissue infections, Pelvic infl. disease




colorectal surgery of appendectomy prophylaxis

Cephamycin/cefoxitin (2GC)

severe nosocomial infections caused by gram negative rods, bacterial meningitis, single IM injection for gonorrhea

Ceftriaxone, IV (3GC)

2nd line for UTIs, sinusitis, otitis

Cefixime, PO (3GC)

Serious Pseudomonas infections, empiric Rx of febrile neutropenic patients w/ incr. Pseudo risk

Ceftazidime (3GC)

nosocomial infections where increased frequency of gram neg. infections are anticipated

Cefepime (4GC)

MRSA! Gram negatives




CA-pneumonia and complicated skin and skin structure infections incl. MRSA

Ceftaroline (5GC)

Serious nosocomial gram-negative infections; not used alone empirically

Aztreonam

Febrile neutropenia, mixed infections (abd/pelvis) - not alone or for serious Pseudomonas

Carbapenems

polymicrobial infections, S. maltophilia, P. aeruginosa

Ticarcillin/clavulanate (Timentin)

otitis, sinusitis, lower resp. infections, UTI, skin/soft tissue




human & animal bites (S. aureus, beta-lactamase & oral anaerobes)

Amoxicillin/clavulanate (Augmentin)

polymicrobial infections (P. aeruginosa, S. maltophilia), some ESBLs

Piperacillin/tazobactam (Zosyn)

P. aeruginosa, most ESBL-producing Enterobacteriaceae

Ceftolozane/tazobactam (Zerbaxa)

most Enterobacteriaceae, P. aeruginosa

Ceftazidime/avibactam (Avycaz)

Gram+ in pt allergic to beta-lactams, Gram+ resistant to beta-lactams (MRSA, MRSE), Corynebacterium JK, severe C. difficile colitis

Vancomycin

VRSA

linezolid, quinu-/dalfopristin

skin, soft-tissue infections for resistant strains of staph, strep (not VRE), Clostridium, Peptococcus

Telavancin

skin, skin-structure infections with resistant strains

Dalbavancin, Oritavancin

Staph & Strep infections (not VRE)

Quinupristin/dalfopristin (streptogramin)

VRE, some MRSA infections, some rapid-growing NTM infections

Linezolid (oxazolidinones)

complicated skin/soft tissue infections, staphylococcal (MRSA) bacteremia

daptomycin (cyclic lipopeptide)

Aerobic Gm- infections: urinary tract, bacteremia/sepsis, intra-abdominal (+ anti-anaerobic agent), pneumonia, tularemia




Severe staph or strep infections in combo with pen or vanco

Aminoglycosides (gentamicin, amikacin, streptomycin, tobramycin, neomycin)

enterococcal endocarditis

gentamicin or streptomycin + penicillin or vancomycin

UTIs/prostatitis, GC, Chlamydia, chancroid, Traveler's diarrhea, Shigella, CA pneumonia, skin/soft tissue, bone/joint, acute otitis externa




*Pseudomonas aeruginosa, enterics, Neisseria, H. flu

Fluoroquinolones (ciprofloxacin NOT for CA pneumonia)

Gram-neg.: MDR P. aeruginosa, MDR Acinetobacter baumannii, MDR metallo-beta-lactamase producing Enterobacteriaceae

Colistin (Polymyxin)

Pseudomonas aeruginosa

aminoglycosides, quinolones, ceftazidime, cefepime, cefoperazone, carboxypenicillins (carbenicillin and ticarcillin), and ureidopenicillins (mezlocillin,azlocillin, and piperacillin), carbapenems (meropenem, imipenem, doripenem, but not ertapenem), polymyxins, aztreonam

TSS?

Fluid replacement




Empiric: clindamycin + vanco AND carbapenem or pip/tazo




Specific: Clindamycin + nafcillin (MSSA); vanco or linezolid (MRSA); pen G (GpA strep, C. sordellii)

CA-MRSA?

Tetracycline, TMP/SMX, clindamycin

Strep pneumo meningitis

vancomycin, 3G cephalosporins

Strep viridans

beta-lactams, gentamicin for synergistic killing




alt: vancomycin, quinolones

group A strep

beta-lactams; penicillin




if pen allergy = erythromycin

group B strep

penicillin, ampicillin, cephalosporins, vancomycin

Enterococcus species

ampicillin & ureidopenicillins


ampicillin + aminoglycoside for serious infections (ex: endocarditis)


ampicillin alone for UTI




alt: quinolones, tetracyclines, imipenem, linezolid

Diphtheria?

administer antitoxin, erythromycin or penicillin




Vaccine (DPT, Td booster every 10 yr)

Bacillus anthracis (Anthrax)?

pencillin IV high doses


Doxy or ciprofloxacin for terrorism

Listeria monocytogenes (Listeriosis)?

IV ampicillin & gentamicin


alt: trim/sulfa

Anaerobic infections

Metronidazole, clindamycin, fidaxomicin, chloramphenicol

bacterial vaginosis (Gardernella vaginalis)

Metronidazole

food-born botulism (C. botulinum)

antitoxin & supportive care

Clostridium tetani (tetanus)

antitoxin, Pen G, wound care, support




tetanus toxoid vaccine

Clostridium perfringens gas gengrene

extensive surgery + Pen G

anaerobic cocci infection

penicillins, metronidazole, clindamycin

Bacteroides fragilis

metronidazole, beta-lactam/lactamase inhibitor combos, carbapenems

Actinomyces

high dose Pen G for long duration

Enterohemorrhagic e. coli

rehydration, NO antibiotics

serious Salmonella infections

cephalosporins, quinolones, aminoglycosides, TMP/SMZ

Shigella treatment

cephalosporins, aminoglycosides, quinolones

Yersinia pestis

gentamicin, streptomycin (glycopeptides)


tetracycline or chloramphenicol


vaccine - bubonic

Yersinia enterocolitica

quinolones, trim/sulfa

Pseudomonas aeruginosa

antipseudomonal beta-lactams (piperacillin), aminoglycosides, fluoroquinolones

Haemophilus influenzae

life-threatening: IV 3GC, ampicillin


other: amox/clavulanate, 2GC, quinolones, new macrolides, trim/sulfa

Pasteurella infection

penicillin or tetracycline

Francisella tularensis

streptomycin or gentamicin


alt: doxy, ciprofloxacin, chloramphenicol

Brucella melitensis

doxy + rifampin (or gentamicin)

Legionella

azithromycin, ciprofloxacin

Vibrio cholerae

rehydration & maintenance, tetracycline, doxy, quinolones, trim/sulfa

C. jejuni

rehydration, erythromycin, other macrolides, quinolones

H. pylori

PPI + amoxicillin + clarithromycin


PPI + bismuth salt + tetracycline + metronidazole