Fungal Toenails - Podiatrist in Bethesda, MD and Springfield, VA br Dr. Paul Ross discusses the symptoms, causes and treatments for Toenail Fungus. br br br br • Don't share nail clippers or nail files with others. br • Don't share shoes or socks with others. br • Try not to injure your nail, such as by cutting it too short (trauma to the nail may lead to infections). br • Wear dry cotton socks, and change them two or three times a day if necessary. br • Wear dry shoes that allow air to circulate around your feet (tight, enclosed, moist shoes contribute to fungal toenail infections).