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Allergy to Antibiotics

Q: A child comes in with a rash a few days after AMOXICILLIN is given for an ear infection. It is red, blotchy, and spreads across the body. It appears to be a drug reaction rather than a viral exanthem. Does this mean the child cannot take PENICILLIN in the future? Is the child restricted […]

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Physicians Mailbag

Q: Many patients report a SULFA allergy–typically a rash. What is the chance that they will react to a diuretic like HYDROCHLOROTHIAZIDE which as a sulfa moiety? –Dr. L Dear Dr. L Skin testing to sulfa and many other drugs is not useful. The culprit-antigen is formed in the body when a breakdown product of […]

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