Join Date: Jun 2007
Location: Dayton, Oh WPAFB
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Beta-lactamase negative is a description...basically what that means is that the bacteria (in his case H. influenzae) is resistant (or does not respond) to certian types of antibiotics. THAT would be the reason he's not responding.. they need to give him antibiotics that do not contain beta-lactam.
|As many as 25-50% of isolates produce beta-lactamase; therefore, they are resistant to this class of drugs|
|Among the strains, 44.5% were TEM-type beta-lactamase producers and nine (1.3%) were beta-lactamase-negative ampicillin-resistant strains|
Okay, there are three?? but they're listed as moderate spectrum..
but specifically anti-haemophilus:
Levaquin is the brand name of a supposedly anti-haemophilus drug...but is for adults so..no help there maybe?
You may want to print this out and take a look at it. VERY interesting.
It's a study that shows that there have been findings of beta-lactamase negative strains that ARE resistant to ampicillin.
Now, this is a VERY small percentage/number of children...but it is possible and may be something the immunologists at the hospital can look at and see if it's applicable in your son's case.
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