Spot Dx — What’s behind this itchy rash?

Jason, a 25-year-old financial adviser, presents to his GP regarding a mildly itchy rash on his back.

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 Paul Muthiah is a GP on the Central Coast, NSW and medical co-editor of Australian Doctor.

References on request from paul.muthiah@adg.com.au

Photo: DermNet NZ