Which of the Following Actions Might Be Taken by an Allergist

Multiple Choice

Which of the following actions might be taken by an allergist to determine which food allergen is creating a reaction in a patient? Select all that apply.

A) Food diary that notes all foods eaten and whether or not a reaction occurred
B) Immediate bloodwork following a reaction to measure antibody levels
C) Scratch skin test
D) Complete history of a serious reaction to include onset/duration, suspected foods, and how foods were prepared
E) Double-blind food challenge