What is causing this infant's pruritus?

Dylan is a 12-month-old with a one-month history of a spreading itchy rash that developed a few weeks after a camping holiday with extended family and friends.

Test your clinical know-how by taking the quiz below. If you select the wrong answer, have another go — you can try as many times as you like!

Dr Kate Kelso is a GP and medical editor at Australian Doctor.

References:

1. Lavery M, et al. A baby with a widespread itchy rash. BMJ 2019;