Table- I.

Microorganisms isolated & reported from Crocodile or alligator bites (References ^5–14),

Microbe	Classification	Antibiotic of choice (†)	Remarks
1. Vibrio vulnificus	G-ve bacillus	ceftriaxone+ doxycycline	Causes progressive fasciitis
2. Citrobacter spp. (C. farmery/C. diversus)	G-ve coliform	macrolides, floroquinolones, carbapenems	Produce B-lactamase
3. Burkholderia pseudomallei	G-ve aerobic, motile bacillus.	ceftazidime & doxycycline
4. Pantoea agglomerans	G-ve aerobic bacillus	ceftriaxone, gentamycin, amikacin, meropenem
5. Bacteroides melaninogenicus	G-ve, anaerobic motile bacillius	clindamycin, metronidazole, chloramphenicol	Non-spore forming anaerobe
6. Aeromonas hydrophila	G-ve bacillus facultative anaerobe	Pyridine carboxylic acids, chloramphenicol	Fatal myonecrosis in immunocopromised
7. Serratia fonticola	G-ve, aerobic	Often multi-resistant	Emerged as human pathogen in 1991
8. Clostridium perfringens	G+ve, anaerobic, spore-forming bacillus.	Penicillin G, clindamycin, chloramphenicole
9. Pseudomonas areogenosa	G-ve bacillus	3rd gen. cephalosporins, aminoglycosides, fluoroquinolones
10. Proteus vulgaris	Aerobic, G-ve bacillus.	ceftriaxone, imipenem

^†for empirical treatment; microbiological diagnosis should be attempted to further guide antibiotic choice

G-ve, gram negative; G+ve, gram positive