Beta-Lactam and Sulfonamide Allergy Testing Should Be a Standard of Care in Immunocompromised Host.

Antibiotic allergies are reported in up to 1 in 4 immunocompromised hosts with significant impacts on antibiotic utilization and patient outcomes. Health services programs focused on de-labeling beta-lactam and sulfonamide allergy labels should be a standard of care in immunocompromised hosts. (C) 2019 American Academy of Allergy, Asthma & Immunology