Multi-Ingredient Cold, Flu, and Allergy MedicationsFood HypersensitivityHypersensitivityImmunoglobulin ESkin TestsAllergensMedication ErrorsAllergy and ImmunologyMilk HypersensitivityMedication AdherenceLatex HypersensitivityDrug HypersensitivityPeanut HypersensitivityDesensitization, ImmunologicEgg HypersensitivityHypersensitivity, ImmediateNational Institute of Allergy and Infectious Diseases (U.S.)