18th February 2024

A 43-year-old female was admitted to the hospital for pneumonia

A 43-year-old female was admitted to the hospital for pneumonia. On her ᵗʰᶦʳᵈ day of admission, she noted that the skin around the site of her cannula appeared red and itchy. A closer examination revealed small vesicles around the periphery of the cannula dressing. She denied any previous conditions affecting her skin.

Given the likely diagnosis, which hypersensitivity reaction is the underlying pathogenesis for this condition?

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