Hydrocortisone-induced anaphylaxis

Area of Science:

• Clinical Medicine
• Allergy and Immunology
• Pulmonology

Background:

• Hydrocortisone is a common corticosteroid used for various inflammatory conditions.
• Anaphylaxis is a severe, potentially life-threatening allergic reaction.
• Asthma patients may have unique risks during allergic reactions.

Observation:

• Two asthma patients experienced anaphylaxis following intravenous hydrocortisone.
• Reactions manifested as rapid-onset airflow obstruction.
• Previous literature suggests hydrocortisone itself as the potential allergen.

Findings:

• Hydrocortisone can trigger anaphylactic reactions in susceptible individuals.
• Airflow obstruction is a key clinical sign in these reactions.
• The allergen is likely hydrocortisone, not excipients.

Implications:

• Clinicians should consider hydrocortisone hypersensitivity in asthma patients presenting with anaphylaxis.
• Prompt recognition and management are vital for patient outcomes.
• Further research into hydrocortisone allergy mechanisms may be warranted.