Persistent pain in your feet, ankles, or heels
Shin, knee, or low back pain
Burning feet
A noticeable change in your nails or skin
Your feet are severely cracking, scaling, or peeling
Blisters on your feet
Signs of bacterial infection such as increased pain, swelling, redness, tenderness, or heat
Discharge of pus
Your toenail is getting thicker and causing you discomfort
You have diabetes or other diseases associated with poor circulation and you develop athlete’s foot