Bugs and Drugs Flashcards
campylobacter
gram-, curve/S shaped
erythromycin
C diff
gram+, blood agar, recent PCN, quinolone, clindamycin use
flagyl, vanc
E histolytica
flagyl
E colic O157:H7
gram- rod
NO abx!! increase risk HUS (hemolytic anemia + acute kidney failure + thrombocytopenia)
Salmonella
gram- bacillus
Cipro, bactrim
Cryptococcus
india ink stain = cysts
Amp B
Fluconazole
Histoplasmosis
Itraconazole
P Jirovecci
Bactrim
Rheumatic fever (GAS)
PCN
erythromycin
Botulism
progressive weakness + diplopia + dry mouth
PCN
Diptheria
PCN
erythromycin
TB
add B6 w/ isonazide to avoid peripheral neuropathy
rifampin, ethabutol, pyrazinamide
Toxoplasmosis
clindamycin + pyrimethamine
sulfadiazine + pyrimethamine
RMSF rickettsia rickettsii
doxycycline
chloramphenicol for prego
Syphilis
dark field microsocpy
RPR/FTA-ABS
PCN or doxy
condyloma acuminatum (HPV)
imiquimod
Shigella bloody diarrhea
Azithromycin kid
Cipro adult
Lyme Disease Borrelia burgorferi
Doxy
Rocephin
Amoxicillin - kids, prego
CMV
owl eye inclusion bodies, pizza pie retinopathy
gancyclovir
Community acquired pneumonia
Macrolide
Doxycycline
Chlamydia
doxycycline x 7D
azithromycin or amoxicillin for prego
MRSA
IV vanc
PO linezolid
PO bactrim
H pylori
PPI + clarithromycin + amoxicillin
PPI + clarithromycin + flagyl
PPI + pepto + flagyl + tetracycline
Prophylactic abx for dental work
amoxicillin 2g PO 1hr before
allergy: clindamycin, cephalexin, azithromycin or clarithromycin
Neisseria
Rocephin
Neonatal meningitis
GBS, e coli, listeria
Ampicillin + cefotazime or gentamicin
Infant meningitis
Pneumococcus, meningococcus, H flu
Vanc + cefotazime or ceftriaxone
Klebsiella
3rd gen ceph (cefdinir, cefotaxime)
H ducreyi
Azithromycin
Rocephin
Mycobacterium Avium Complex
bx = foamy macrophages + acid fast bacilli
Clarithromycin
Acute sinusitis
S pneumo, H flu, M cat Augmentin Macrolide Bactrim tx 10D
Chronic sinusitis
Augmentin
Macrolide
Bactrim
tx 3-6 wk
UTI ecoli
uncomplicated: bactrim or fluoroquinolone x 3D
complicated: 7-14D
prego: macrobid or amoxicillin x 3-7D
Malaria
protazoa
Chloroquine
Primaquine
Quinidine
Orbital cellulitis
S aureus, S pneumo
IV vanc
Amp B in diabetic w/ Mucor or Rhizopus
Otitis externa
pseudomonas
neomycin, cipro, ofloxacin
Acute bacterial endocarditis
vancomycin + rocephin
Pseudomonas
1) pipercillin/tazobactam (zosyn)
ceftazidime, cefipime
imipenem, meropenem
gentamicin, tobramycin
“empiric coverage”
ampicillin (gram +)
gentamicin (gram -)
tetracycline or macrolide (atypical)
Prophylactic abx for posterior nasal packing
augmentin
Mastoiditis
Strep, staph, H flue, M cat IV cefepime (for pseudomonas) + vanc (for MRSA)
Acute otitis media
1) Amox
PCN allergy mild - cefidinir
PCN allergy severe - clindamycin + bactrim
Recurrent otitis media
1) Augementin
PCN allergy mild - clindamycin + cef
PCN allergy severe - clindamycin + bactrim
Eikenella
PCN
Tetracycline
Chloramphenicol
Cystitis
Bactrim
Epiglottitis
3rd gen ceph - Ceftriaxone
Epididymitis 14-35y
Rocephin + doxy
Prostatitis
bactrim x 4-6 weks
Urethritis
Rocephin + doxy
Pertussis
Bordetella pertussis
Erythromycin x 7-14D
3mon-adulthood meningitis
Pneumococci, meningococci
Vanc + ceftriaxone or cefotaxime
Prophylaxis meningitis
Rifampin
cipro, rocephin, axithromycine
Mastitis
S aureus
dicloxacillin
cephalexin or erythromycin
NO breast feeding if abscess
lysteria monocytogenes meningitis
meningitis 50+ alcoholic
ampicillin
epididymitis (36+)
ecoli
Bactrim
levo
cipro
Cat scratch
Azithromycin 5D