Keflex penicillin family

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RPAC, you obviously dont know what you are talking about becasue you say that cephalexin is not used for upper respiratory infections, and mainly skin. Still looking for answers? Skin testing for penicillin allergy is the most reliable way to determine if a person is truly allergic to penicillin. We comply with the HONcode standard for trustworthy health information - verify here.

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Most people produce IgG and IgM antibodies in response to exposure to penicillin 1 that may cross-react with cephalosporin antigens. This potential cross-reactivity has extremely important therapeutic implications because many serious infections are best treated with cephalosporins as first-line therapy. It seems to us that you have your JavaScript turned off on your browser. Historically, the classic recommendation for management of an individual with a penicillin allergy has been to avoid the use of cephalosporins.


A person is unlikely to have an allergic reaction to the medication during treatment, after undergoing desensitization, as long as the antibiotic is taken regularly. It can be used for a number of infections including sinus infections.

Drug allergy The Basics. Try searching for what you seek or ask your own question. Can it be used for sinus infection?

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Skin testing should be considered if the reaction is consistent with an IgE-mediated mechanism or if the history is not clear 8. There are a number of cephalosporin medications available, a few of which include cephalexin Keflexcefaclor Ceclorcefuroxime Ceftincefadroxil Duricefcephradine Velocefcefprozil Cefzilloracarbef Lorabidceftibuten Cedaxcefdinir Omnicefcefditoren Spectracefcefpodoxime Vantinand cefixime Suprax. These articles are best for patients who want a general overview and who prefer short, easy-to-read materials.

The American Academy of Pediatrics 7 supports the use of cefuroxime, cefpodoxime and cefdinir in penicillin-allergic patients for the treatment of sinusitis provided that the penicillin allergy does not involve a type I immunoglobulin E [IgE]-mediated reaction. Skin testing should be done by an allergist in an office or hospital setting.

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It depends on the specific agent. Anne S, Reisman RE. There is also evidence to support that certain cephalosporins are more likely than others to cross-react with penicillin. In considering cross-reactivity, two important points must be made. I am allergic to penicillinso I am given Cephalexin all the time.

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Literature review current through: Mild to moderate allergic reactions to penicillins occur in 1 to 5 percent of people.