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Link to original content: https://pubmed.ncbi.nlm.nih.gov/15242722
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Review
. 2004 Aug;24(3):477-90, vii.
doi: 10.1016/j.iac.2004.03.011.

Sulfonamide hypersensitivity

Affiliations
Review

Sulfonamide hypersensitivity

Christopher G Slatore et al. Immunol Allergy Clin North Am. 2004 Aug.

Abstract

Sulfonamide antibiotics can result in a wide variety of hypersensitivity reactions. No validated diagnostic tests are available for sulfonamide reactions; therefore, clinicians must rely on the combination of a careful patient history, review of medical records, and a sound knowledge base regarding the common clinical manifestations of sulfonamide hypersensitivity reactions. Although HIV-infected individuals have a high risk for hypersensitivity reactions to sulfamethoxazole, readministering the drug can usually be performed safely by using a desensitization protocol. Sulfonamide-containing medications that are not antibiotics also have the capacity for causing hypersensitivity reactions. Whether the sulfa moiety confers a risk of cross-reaction is controversial. The preponderance of available evidence suggests that sulfonamide antibiotics probably do not cross-react with sulfonamide nonantibiotics.

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