An estimated 72 million ambulatory visits for superficial cutaneous fungal infections (SCFIs) in the United States were recorded during 2005-2016, with an increasing trend over the years. Tinea unguium, tinea pedis, and tinea corporis were among the most common infections.

"We observed a high burden of SCFIs among outpatient visits in the United States and an increasing trend in their prevalence," the authors wrote. These results, they added, "highlight the importance of healthcare providers being able to identify, treat, and, when necessary, refer patients with SCFIs, as a high burden of disease is associated with a significant negative impact on the individual and population levels."

The study was co-led by Sarah L. Spaulding, BS, and A. Mitchel Wride, BA, from the Yale School of Medicine, New Haven, Connecticut, and was published online on October 30 in the Journal of the American Academy of Dermatology.

The authors did not list any study limitations.

The lead authors were supported by Yale School of Medicine Medical Student Research Fellowships. Two other authors declared receiving consulting fees, research funding, and licensing fees outside the submitted work and also served on a data and safety monitoring board for Advarra, Inc.