This study compared the diagnostic value of intradermal tests and patch tests in 20 patients with non-immediate reactions to penicillin (none had IgE antibodies to benzylpenicillin or amoxicillin detectable using a commercial RAST [radioallergosorbent test] method), using 30 patients tolerant to penicillin as controls. Intradermal tests assessed reactivity to injection of major and minor determinants of benzylpenicillin, amoxicillin and ampicillin. Allergy patch testing involved the same hapten solutions used for intradermal testing, either embedded in a patch disk or mixed with petrolatum. (more…)
Suspected drug allergy is not easy to investigate. In the UK, few centers have the necessary facilities and expertise, the evid ...
Patients (and many doctors) frequently use the term ‘allergy’ when referring to any adverse drug reaction, even one that has no fea ...
One of the popular allergy testing besides food allergy testing is skin allergy testing. Allergy patch test is the most commo ...
Allergy skin testing is probably the most susceptible and practical way to monitor for existing allergy sensitivity. Biological ...
Over the last 5 years some studies have suggested that the atopy patch test (APT) may be a useful test in atopic dermatitis childre ...