18th February 2024

A 65-year-old male presented to the acute medical unit with community-acquired pneumonia

A 65-year-old male presented to the acute medical unit with community-acquired pneumonia and was commenced on IV co-amoxiclav and clarithromycin. After two days of antibiotics, he spiked a new temperature up to 39oC along with malaise, arthralgia and painful swallowing. Three days following the onset of these symptoms, he noted targetoid skin lesions and vesicles along the thorax and upper limbs, involving approximately 5% of his body surface area. These were incredibly tender to palpation.

Which of the following best describes the pathogenesis of the underlying diagnosis?

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