Plantar warts are noncancerous growths that develop on the bottom of the feet and undersides of the toes. Caused by the human papillomavirus (HPV), these warts are highly contagious and spread ...

Plantar warts, caused by certain strains of the human papillomavirus (HPV), are small growths that typically appear on the bottom of your feet, especially the heels or underside of the toes.

Though warts are usually not painful, they can be annoying — especially if you have one on your foot. A wart is a white or skin-colored growth on your skin that feels rough to the touch.