RecruitingPhase 4Drug trialStudy Evaluating the Safety and Efficacy of Neffy or Intramuscular Adrenalin in Patients With Allergic Reactions After Oral Food Challenge or Allergen ImmunotherapyThe study is to assess the safety of neffy or IM Adrenalin in patients who are experiencing allergic reactions after an OFC, allergen Immunotherapy (AIT), or other allergy challenge that may require epinephrine intervention.