id quick COPY Flashcards
(47 cards)
What is the most common pathogen for strep pharyngitis?
Group A beta-hemolytic streptococcus
What is first-line for treating strep pharyngitis?
Children and adults: penicillin
Erythromycin 2nd line for both
What are the most common pathogens for sinusitis?
S. pneumoniae
H. influenzae
M. catarrhalis
S. aureus
What is first-line for treating sinusitis?
Children and adults: amox
2nd line for both: amox-clav
What organisms cause Acute Otitis Media?
S. pneumoniae H. influenzae M. catarrhalis Group A Strep S. aureus
Rx for acute OM
if treating:
amox, then amox-clav (both adult and ped)
Otitis externa: organisms
P. aeruginosa
Coliforms
S. aureus
Otitis externa: Rx
Cortisporin® otic solution 4 drops tid or qid (3 drops tid or qid for children) TM defect: Ciprodex® otic suspension 4 drops bid x 5 d
Necrotizing (i.e. bone involvement): ciprofloxacin 750 mg PO bid x 4-8 wk
Bronchitis: organisms
viral
Bronchitis: Tx
None – viral
Pneumonia: CAP, no comorbidity: organisms
S. pneumoniae
M. pneumoniae
C. pneumoniae
Pneumonia: CAP, no comorbidity: Rx
First line: Amoxicillin erythromycin clarithromycin azithromycin
Pneumonia: CAP, with comorbidity: organisms
S. pneumoniae
M. pneumoniae
C. pneumoniae
H. influenzae
Pneumonia: CAP, no comorbidity: Rx
amox, amox/clav, cefuroxime, cefprozil
PLUS clarithromycin, azithromycin, doxycycline
OR levofloxacin, moxifloxacin [unclear if these are solo or adjunct to line 1]
Dental infections: Rx
penicillin or clindamycin
Diarrhea: organisms?
Enterotoxigenic E. coli (ETEC) Campylobacter
Salmonella
Shigella
Viruses Protozoa
Diarrhea: Rx?
symptomatic if mild
If mod-severe: fluoroquinolones (olfloxacin, norfloxacin, ciprofloxacin, levofloxacin)
If kids: Azithromycin – safe, tolerable, easily administered
If coming from south/southeast Asia, may have quinolon-resisitant campylobacter: use azithromycin
Diarrhea post-Abx: organisms?
C difficile
Diarrhea post-Abx: Rx?
mild-moderate: metronidazole
Severe (WBC≥15, Cr ≥1.5x baselin): vancomycin
Peptic ulcer disease (non-NSAID): organism?
H pylori
Peptic ulcer disease (non-NSAID): Rx?
First line:
PPI + amox + clarithromycin
Or
PPI + metronidazole + clarithromycin
Vulvovaginal candidiasis: Rx?
fluconazole orally
miconazole intravaginal
Other -azole tx available OTC
Bacterial vaginosis: organisms?
Overgrowth of:
G. vaginalis
M. hominis
Anaerobes
Bacterial vaginosis: Rx?
first line: metronizadole PO; metronidazole or clindamycin intravaginally