Obligate anaerobes: Difference between revisions

Revision as of 17:28, 19 January 2020

Microbiology

Colonizes skin and mucosal surfaces
Difficult to grow

Organisms

Gram-negative
- Bacilli
  - Bacteroides spp.
    - B. fragilis group: B. fragilis, B. thetaiotaomicron, B. distasonis, B. vulgatus, B. ovatus, B. uniformis
    - Other Bacteroides spp.: B. gracilis, B. ureolyticus, Bilophila wadsworthia, Sutterella spp
  - Prevotella spp.
    - Pigmented: P. melaninogenica, P. intermedia, P. denticola, P. loescheii, P. corporis, P. nigrescens
    - Non-pigmented: P. oris, P. buccae, P. oralis group (P. oralis, P. buccalis, P. veroralis), P. bivia, P. disiens
  - Porphyromonas spp.: P. asaccharolytica, P. gingivalis, P. endodontalis
  - Fusobacterium spp.: F. nucleatum, F. necrophorum, F. gonidiaformans, F. naviforme, F. mortiferum, F. verium
  - Bilophila spp.
  - Sutterella spp.
- Cocci
  - Veillonella spp.
Gram-positive
- Cocci
  - Peptostreptococcus spp.: P. magnus, P. asaccharolyticus, P. prevotii, P. intermedius, P. anaerobius, P. micros
- Bacilli (spore-forming)
  - Clostridium spp.: C. perfringens, C. ramosum, C. septicum, C. novyi, C. histolytica, C. sporogenes, C. difficile, C. bifermentans, C. butyricum, C. innocuum, C. sordellii, C. botulinum, C. tetani
- Bacilli (non-spore-forming)
  - Propionibacterium spp.: P. acnes, P. propionicum, P. granulosum
  - Eubacterium tentum
  - Bifidobacterium spp.: B. eriksonii, B. dentium
  - Actinomyces spp.: A. israelii, A. naestundii, A. viscosus, A. odontolyticus, A. meyerii

Management

Ampicillin or penicillin (for Gram-positive anaerobes), beta-lactam/beta-lactamase inhibitor combinations, cephamycins (e.g. cefoxitin), carbapenems, clindamycin (though increasing resistance), metronidazole, moxifloxacin, tetracycline

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 == Management ==
-* [[Is treated by::Ampicillin]] or [[Is treated by::penicillin]] (for Gram-positive anaerobes), beta-lactam/beta-lactamase inhibitor combinations, [[Is treated by::cephalomycins]], [[Is treated by::carbapenems]], [[Is treated by::clindamycin]] (though increasing resistance), [[Is treated by::metronidazole]], [[Is treated by::moxifloxacin]], [[Is treated by::tetracycline]]
+* [[Is treated by::Ampicillin]] or [[Is treated by::penicillin]] (for Gram-positive anaerobes), beta-lactam/beta-lactamase inhibitor combinations, cephamycins (e.g. [[Is treated by::cefoxitin]]), [[Is treated by::carbapenems]], [[Is treated by::clindamycin]] (though increasing resistance), [[Is treated by::metronidazole]], [[Is treated by::moxifloxacin]], [[Is treated by::tetracycline]]
 == Further Reading ==