Table 4

Pattern of resistance of Gram negative bacteria to the most commonly used antibiotics in developing countries^13,^17,^20,^25,³³

	Klebsiella spp	Pseudomonas spp	Acinetobacter	Citrobacter	E coli
Values are percentages.
Penicillin				100	100
Ampicillin	65–100	75–100	88–100	100	69–100
3rd generation cephalosporin
Cefotaxime	0–86	10–100	4–84	0	0–75
Ceftazidime	66–95	56–90			0–67
Ceftriaxone	6–96	12–100		0	0–56
Erythromycin	87	100		100
Gentamicin	16–85	0–79	3–73	0–40	30–93
Amikacin	0–74	23–100	14–79	0	0–67
Cotrimoxazole	22–97	33–67	30–65	17	12–62
Ciprofloxacin	0–36	0–49	0–7	5	15–56
Chloramphenicol	49–100	40–93	87–96	50	23–100
Imipenem	0–6	0–48			0