JACI：在實踐中涵蓋了變態反應學家在實踐中治療的各種情況。該雜志的重點是為臨床醫生提供實用的信息，這些信息可以在日常實踐中使用，或者有助于獲得可以直接應用于患者的新知識或技能。JACI的一個主要目標是：在實踐中為我們的讀者提供高水平的證據，以支持他們在診斷和管理方面的臨床決策。

JACI: In Practice covers the spectrum of conditions treated by allergist-immunologists in their practices. The emphasis of the journal is on information that is practical for clinicians-material that can be used in everyday practice or will help in acquiring new knowledge or skills that can be directly applied to patients. A major goal of JACI: In Practice is to provide our readers with a high level of evidence to support their clinical decisions in diagnosis and management.