A paronychia is an infection around the nail. Many organisms can cause a paronychia. This particular case is caused by the yeast-like organism Candida. Note the inflammation (red, swollen area) at the base of the nail and the changes that are apparent in the nail itself.
Kevin Berman, MD, PhD, Atlanta Center for Dermatologic Disease, Atlanta, GA. Review provided by VeriMed Healthcare Network. Also reviewed by David Zieve, MD, MHA, Medical Director, A.D.A.M., Inc.