Subject
Adult; Child; Diagnosis; Laboratory; Emergency Care; Histamine Antagonists; Anaphylaxis – Drug Therapy; Epinephrine – Administration and Dosage; Hydrocortisone – Administration and Dosage; Anaphylaxis – Diagnosis; Glucagon – Administration and Dosage; Histamine H2 Antagonists – Administration and Dosage; Methylprednisolone – Administration and Dosage