Background: Adverse reactions to drugs are increasing and there are few studies for the diagnosis.
Objective: To determine the utility of modified basophil degranulation (MBD) test and modified leukocyte migration inhibition factor (MLMIF) test to prove drug hypersensitivity.
Methods: 177 patients of both sexes were studied with the diagnosis of drug hypersensitivity, determining MBD, MLMIF, or both, between 2009 and 2014.