The Basophil Activation Test Can Be of Value for Diagnosing Immediate Allergic Reactions to  Omeprazole

Conclusion BAT represents a complementary tool for inclusion in the allergological workup for patients allergic to omeprazole. When combined with ST, it can be of value to guide the clinician as to whether to perform a DPT.
Source: The Journal of Allergy and Clinical Immunology: In Practice - Category: Allergy & Immunology Source Type: research