IUBio

salmonella mic

Gary Lum Gary.Lum at CASRDH.HEALTH.nt.gov.au
Thu May 29 02:12:20 EST 1997


N S Uyeda wrote:

> We wonder what antibiotics to report on Salmonella and Shigella, and
> whether to do even do an MIC at all. We do Vitek gram neg. MIC panels.

In routine stool samples susceptibility testing is not always required,
however, I take the attitude that we should perform, record but not
report results unless requested for good clinical reasons.  Such reasons
inlcude growth in blood, a severely unwell neonate or even infant, and
immunocompromised patient.

In Darwin we tend to treat alot of our _Shigella_ cases because many are
also malnourished at the same time.

What to report, well we all know aminoglycosides are a waste in these
cases.  I report ampicillin (remember amp is better than amox in
_Shigella_), co-trimoxazole and if systemic infection a third generation
cephalosporin.  I usually telephone the results anyway and will discuss
with the clinician the case.  Sometimes, if they can be managed as an
outpatient, I might prescribe norfloxacin.  Of course in _Salmonella_
Typhi I use ciprofloxacin, but in non-Typhi _Salmonella_ without
systemic features I restrict the use of that quinolone.

Hope this helps.

Regards

Gary

--
******************************************************** 
Dr Gary Lum
Director of Microbiology
Royal Darwin Hospital

Microbiologists do it with culture and sensitivity 
Meet me at http://www.ozemail.com.au/~glum/index.html
E-mail me at mailto:glum at ozemail.com.au,gary.lum at nt.gov.au



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