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Anaphylaxis to Cephaloridine in a Nurse Who Prepared Solutions of the Drug

Kenneth Kaplan, MD; Louis Weinstein, MD
JAMA. 1967;200(1):75-77. doi:10.1001/jama.1967.03120140133035.
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Cephalothin and cephaloridine, semisynthetic derivatives of 7-amino-cephalosporanic acid, have been used extensively for the successful management of infections produced by staphylococci sensitive and resistant to penicillin G, other gram-positive organisms, and some species of gram-negative bacteria.1-5 These agents have frequently been employed when penicillin allergy has been present. Although a lack of cross-reaction between these classes of antibiotics has been noted by some investigators, others have described instances in which cross-allergenicity appeared to be present.3,6 Since the cephalosporin derivatives may themselves induce hypersensitivity, it may be difficult or impossible to prove that a reaction developing during their administration to penicillin-sensitized individuals is indicative of cross-reactivity. This is especially so if the untoward effect does not appear until the third or fourth day of therapy or later. A reaction developing after the first dose of either type of agent in a person known to be sensitive to one is


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