A 33-year-old man visits his doctor complaining of a thick scaly plaque on his toes and toenails. The plaque has developed over the past couple of weeks. He also complains of lower back pain. A quick check of his chart on the EHR shows a history of chlamydia.
The patient is showing symptoms of:
A. Pustular psoriasis
C. Reactive arthritis
D. Bacterial paronychia
Can you diagnose this patient? Use the differential builder in VisualDx to aid in selecting a diagnosis.