9th July 2023

A 22-year-old male previously diagnosed with dermatitis herpetiformis returns to the dermatology clinic for review

A 22-year-old male previously diagnosed with dermatitis herpetiformis returns to the dermatology clinic for review. Despite being consistent with a gluten-free diet, his skin remains itchy and disturbs his quality of sleep. You plan to start him on Dapsone. What test must be taken 1-week following Dapsone initiation?

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