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Is it necessary or helpful to perform routine susceptability testing on Haemophilus isolated from respiratory specimens? Is there helpful text information that can be added to the report to guide the physician in appropriate treatment?
Please use "Find" to search the knowledge base. Type in "Haemophilus influenzae". You will find a question/answer previously posted, regarding ampicillin and cefaclor which contains the answer to your question regarding whether to perform susceptibility testing for respiratory isolates, other than a beta-lactamase test. I am unaware of a published general text comment informing the M.D. about treatment options for respiratory H. influenzae isolates, but your medical staff should be able to assist you in creating an appropriate comment. An important point regarding oral agents and H. influenzae is increasing resistance to trimethoprim/sulfamethoxazole (currently close to 20% in the U.S.) Thank you for submitting your question to ASM AskIt. DISCLAIMER Askit is for general information purposes only and may not be relied upon by users for decisions or action in specific circumstances. Neither ASM nor the expert assures the accuracy or completeness of information provided. Questions are answered based on current information, which may change over time. Please note the date that a question was answered. If an answer is more than one year old, you may want to resubmit the question for an updated answer. The advice and comments do not necessarily reflect the views of ASM. ASM and INDIVIDUAL experts expressly disclaim any and all liability for any direct, indirect, or special damages or loss of any nature incurred as a consequence of use of this site or any advice or comment by any expert. By using Askit, the user accepts the waiver of claims and all terms of use of ASM’s site, including the disclaimers set forth in the “Legal Rights” link on ASM’s home page.
 
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