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Cephalexin (Keflex, Keftal, Cefanox)
Cephalexin (Keflex, Keftal, Cefanox)
more info
Microorganism
MIC50
(μg/ml)
MIC90
(μg/ml)
Range
(μg/ml)
Reference
Haemophilus influenzae
(ESBL)
8
-
? - ?
308
Haemophilus influenzae
(non-ESBL)
8
-
? - ?
308
Haemophilus
spp.
-
-
1 - 128
401
Helicobacter pylori
0.12
2
0.03 - 4
662
Helicobacter pylori
(pH 5.5)
-
-
32 - ?
628
Helicobacter pylori
(pH 6.0)
-
-
16 - ?
658
Helicobacter pylori
(pH 7.5)
-
-
2 - ?
658
Klebsiella oxytoca
-
-
3.5 - ?
1447
Klebsiella pneumonia
8
-
? - ?
308
Klebsiella pneumonia
(SHV-1)
-
-
8 - ?
652
Klebsiella pneumonia
(β-lactamase negative)
-
-
8 - ?
652
Klebsiella pneumoniae
-
-
0.78 - 25
1410
Klebsiella pneumoniae
-
-
1.6 - 100
1414
Klebsiella pneumoniae
-
-
4.3 - ?
1447
Klebsiella
spp.
4
16
2 - >128
274
Klebsiella
spp.
-
-
2 - 64
1447
Lactobacillus reuteri
-
-
90 - ?
1424
Morganella morganii
32
-
? - ?
308
Morganella morganii
>128
>128
0.5 - >128
274
Morganella morganii
(Hyperproducing amp(C))
-
-
>2048 - ?
652
Morganella morganii
(Inducible amp(C))
-
-
>2048 - ?
652
Neisseria gonorrhoeae
(penicillin-resistant)
1.3
2
1 - 4
1408
Neisseria gonorrhoeae
(penicillin-susceptible)
1.25
8
0.25 - 32
1408
Neisseria meningitidis
1
-
? - ?
308
Nocardia asteroides
200
-
25 - >=400
1404
Peptococcus asaccharolyticus
32
-
? - ?
308
Peptostreptococcus anaerobius
32
-
? - ?
308
Proteus mirabilis
8
8
4 - 128
274
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