Warts are small, raised growths on the skin that are caused by the human papillomavirus (HPV). When warts develop on the feet, they are called plantar warts.

Plantar warts can be painful and may feel like a small stone or pebble in the shoe. They often have small black dots in the center and may have a rough, grainy texture.

Warts are contagious and can be spread through direct contact with an infected person or surface. They are more likely to develop in individuals with weakened immune systems, such as children, older adults, and individuals with certain medical conditions.

Treatment for plantar warts typically involves the use of topical medications or freezing therapy to remove the wart. In some cases, more aggressive treatments such as laser therapy or surgical removal may be necessary.

Preventing the spread of warts involves practicing good hygiene, avoiding direct contact with infected surfaces, and wearing shoes or sandals in public areas such as locker rooms and swimming pools. Individuals with weakened immune systems or who are prone to warts may also benefit from boosting their immune system through a healthy diet and regular exercise.