What types of tests or exams did you receive before being diagnosed with a drug allergy?
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How is a drug allergy diagnosed?
Most times drug allergies are identified based on the time proximity of the
reaction to administration of the drug and patient history. If the drug is
stopped and the symptoms also stop then the logical conclusion is that the drug
caused the allergic reaction. Skin testing can also be used to verify that the
drug is causing the allergy. If it is a drug that the patient needs and there
are no other alternatives, careful skin testing can be done to determine if the
person is truly allergic to the drug.