Subacute polyarticular arthralgias • swelling of the ankles and right knee • recent travel to the Dominican Republic • Dx?

THE TAKEAWAY

Chikungunya is increasingly common in tropical and subtropical regions. Family physicians practicing in the United States should become familiar with the common patterns of presentation of viruses such as chikungunya, dengue, and Zika. Obtaining a travel history for patients presenting with arthritis improves the differential diagnosis and may even reveal the cause of the condition.

CORRESPONDENCE
Jeremy Golding, MD, 279 Lincoln Street, Worcester, MA 01605; Jeremy.Golding@umassmemorial.org