18th February 2024

A 30-year-old female was given clarithromycin for her chest infection

A 30-year-old female was given clarithromycin for her chest infection. She had taken two doses of antibiotics and begun to develop non-blanching wheals on her arms and chest accompanied by itching. She also developed puffiness around her eyes and lips. Examination revealed a patent airway with no stridor or wheeze. She had a normal heart rate and blood pressure. Her symptoms settled with cetirizine.

What is the likely diagnosis?

Select the SINGLE most appropriate option from the list below. Select ONE option only.