JACI: In Practice Associate Editor, David Khan, describes the August 2021 issue, the theme of which is “Drug Allergy.” Theme topics covered include beta-lactam allergy, prescreening and premedication in the prevention of drug hypersensitivity, excipients as causes of hypersensitivity reactions, perioperative hypersensitivity, reactions to illicit drugs, and treating through drug-associated exanthems. Dr. Khan then presents the Highlights of the Original Articles in the issue, which are on the...