Penicillin Allergy Algorithm in STD Clinic

Phase 4, randomised, open-label trial (2 arms), sponsored by Johns Hopkins University. Primary endpoints: Number of Respondents Who Responded YES to Any Question Defining High Risk Penicillin Allergy Using Questionnaire Developed by the Study and Safety of Direct Oral Challenge Defined by Number of Subjects Who Did Not Have Pre-defined Changes in Vital Signs or Pre-defined Emergence of New Respiratory or Skin Symptoms After Oral Challenge. Started Jun 2021; status: completed.