the woods. are just. trees.

Neisseria meningitidis — Gram stain

Gram-negative

Neisseria meningitidis — Oxygen requirement

Obligate aerobe

Neisseria meningitidis — Shape

Cocci

Neisseria meningitidis — Drug of choice

Ceftriaxone

Neisseria gonorrhoeae — Gram stain

Gram-negative

Neisseria gonorrhoeae — Oxygen requirement

Obligate aerobe

Neisseria gonorrhoeae — Shape

Cocci

Neisseria gonorrhoeae — Drug of choice

Ceftriaxone

Moraxella catarrhalis — Gram stain

Gram-negative

Moraxella catarrhalis — Oxygen requirement

Obligate aerobe

Moraxella catarrhalis — Shape

Cocci

Moraxella catarrhalis — Drug of choice

Amoxicillin-clavulanate

Escherichia coli — Gram stain

Gram-negative

Escherichia coli — Oxygen requirement

Facultative anaerobe

Escherichia coli — Shape

Bacilli

Escherichia coli — Drug of choice

Lower UTI: TMP/SMX or nitrofurantoin; severe: cefepime, piperacillin-tazobactam, or meropenem; ESBL-positive: carbapenems

Klebsiella pneumoniae — Gram stain

Gram-negative

Klebsiella pneumoniae — Oxygen requirement

Facultative anaerobe

Klebsiella pneumoniae — Shape

Bacilli

Klebsiella pneumoniae — Drug of choice

Cefepime, piperacillin-tazobactam, or meropenem; ESBL-positive: carbapenems

Proteus mirabilis — Gram stain

Gram-negative

Proteus mirabilis — Oxygen requirement

Facultative anaerobe

Proteus mirabilis — Shape

Bacilli

Proteus mirabilis — Drug of choice

Ampicillin; ESBL-positive: carbapenems

Proteus vulgaris — Gram stain

Gram-negative

Proteus vulgaris — Oxygen requirement

Facultative anaerobe

Proteus vulgaris — Shape

Bacilli

Proteus vulgaris — Drug of choice

Ceftriaxone; ESBL-positive: carbapenems

Serratia marcescens — Gram stain

Gram-negative

Serratia marcescens — Oxygen requirement

Facultative anaerobe

Serratia marcescens — Shape

Bacilli

Serratia marcescens — Drug of choice

Cefepime or piperacillin-tazobactam

Enterobacter species (cloacae) — Gram stain

Gram-negative

Enterobacter species (cloacae) — Oxygen requirement

Facultative anaerobe

Enterobacter species (cloacae) — Shape

Bacilli

Enterobacter species (cloacae) — Drug of choice

Cefepime; ESBL-positive: carbapenems

Citrobacter species (freundii) — Gram stain

Gram-negative

Citrobacter species (freundii) — Oxygen requirement

Facultative anaerobe

Citrobacter species (freundii) — Shape

Bacilli

Citrobacter species (freundii) — Drug of choice

Carbapenems or cefepime

Morganella morganii — Gram stain

Gram-negative

Morganella morganii — Oxygen requirement

Facultative anaerobe

Morganella morganii — Shape

Bacilli

Morganella morganii — Drug of choice

Cefepime or piperacillin-tazobactam

Providencia stuartii — Gram stain

Gram-negative

Providencia stuartii — Oxygen requirement

Facultative anaerobe

Providencia stuartii — Shape

Bacilli

Providencia stuartii — Drug of choice

Carbapenems

Shigella dysenteriae / sonnei — Gram stain

Gram-negative

Shigella dysenteriae / sonnei — Oxygen requirement

Facultative anaerobe

Shigella dysenteriae / sonnei — Shape

Bacilli

Shigella dysenteriae / sonnei — Drug of choice

Ceftriaxone

Salmonella enterica / Typhi — Gram stain

Gram-negative

Salmonella enterica / Typhi — Oxygen requirement

Facultative anaerobe

Salmonella enterica / Typhi — Shape

Bacilli

Salmonella enterica / Typhi — Drug of choice

Third-generation cephalosporins

Yersinia enterocolitica — Gram stain

Gram-negative

Yersinia enterocolitica — Oxygen requirement

Facultative anaerobe

Yersinia enterocolitica — Shape

Bacilli

Yersinia enterocolitica — Drug of choice

Ciprofloxacin

Campylobacter jejuni — Gram stain

Gram-negative

Campylobacter jejuni — Oxygen requirement

Microaerophile

Campylobacter jejuni — Shape

Curved rod

Campylobacter jejuni — Drug of choice

Azithromycin

Helicobacter pylori — Gram stain

Gram-negative

Helicobacter pylori — Oxygen requirement

Microaerophile

Helicobacter pylori — Shape

Curved rod

Helicobacter pylori — Drug of choice

Tetracycline + metronidazole + PPI + bismuth subsalicylate

Pseudomonas aeruginosa — Gram stain

Gram-negative

Pseudomonas aeruginosa — Oxygen requirement

Obligate aerobe

Pseudomonas aeruginosa — Shape

Bacilli

Pseudomonas aeruginosa — Drug of choice

Antipseudomonal penicillin or cephalosporin + antipseudomonal fluoroquinolone or aminoglycoside

Burkholderia cepacia — Gram stain

Gram-negative

Burkholderia cepacia — Oxygen requirement

Obligate aerobe

Burkholderia cepacia — Shape

Bacilli

Burkholderia cepacia — Drug of choice

TMP/SMX

Stenotrophomonas maltophilia — Gram stain

Gram-negative

Stenotrophomonas maltophilia — Oxygen requirement

Obligate aerobe

Stenotrophomonas maltophilia — Shape

Bacilli

Stenotrophomonas maltophilia — Drug of choice

TMP/SMX

Acinetobacter baumannii — Gram stain

Gram-negative

Acinetobacter baumannii — Oxygen requirement

Obligate aerobe

Acinetobacter baumannii — Shape

Bacilli

Acinetobacter baumannii — Drug of choice

Carbapenem

Haemophilus influenzae — Gram stain

Gram-negative

Haemophilus influenzae — Oxygen requirement

Facultative anaerobe

Haemophilus influenzae — Shape

Bacilli

Haemophilus influenzae — Drug of choice

Ceftriaxone

Legionella pneumophila — Gram stain

Gram-negative

Legionella pneumophila — Oxygen requirement

Obligate aerobe

Legionella pneumophila — Shape

Bacilli

Legionella pneumophila — Drug of choice

Azithromycin

Bordetella pertussis — Gram stain

Gram-negative

Bordetella pertussis — Oxygen requirement

Obligate aerobe

Bordetella pertussis — Shape

Coccobacilli

Bordetella pertussis — Drug of choice

Azithromycin

Pasteurella multocida — Gram stain

Gram-negative

Pasteurella multocida — Oxygen requirement

Facultative anaerobe

Pasteurella multocida — Shape

Coccobacilli

Pasteurella multocida — Drug of choice

Amoxicillin-clavulanate