Corns, Callouses & Warts

What are Corns, Callouses, and Warts?

Corns, callouses, and warts are common skin conditions that can affect the feet. Corns are small, cone-shaped areas of thickened skin that typically develop on the tops or sides of toes due to repeated pressure or friction. Callouses are larger, broader patches of thickened skin that form on areas subject to frequent rubbing, such as the soles of the feet or palms of the hands, and are generally less painful than corns. Warts are small, rough growths caused by a viral infection, specifically the human papillomavirus (HPV).

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What are Signs of Corns, Callouses & Warts?

Corns

  • Thickened, hardened skin
  • Small, round bump
  • Pain or tenderness under the skin
  • Flaky, dry, or waxy skin

Callouses

  • Thick, rough skin
  • Larger, broader area compared to corns
  • Yellowish or grayish color
  • Reduced sensitivity to touch

Warts

  • Small, grainy, or rough growths
  • Flesh-colored, white, pink, or tan
  • Black pinpoints (small clotted blood vessels)
  • Pain when standing or walking (especially plantar warts)

FAQs

No, corns and callouses are not contagious. They are caused by mechanical pressure or friction, not by an infection.

Warts are caused by a viral infection (HPV) and can spread through direct contact, while corns and callouses result from pressure and friction. Warts can also have black pinpoints and are often rougher in texture compared to the smoother surface of corns and callouses.

Treatments include trimming the thickened skin, using cushioning pads or orthotic devices, applying moisturizers to soften the skin, and addressing any underlying causes such as improper footwear.

Treatments for warts include salicylic acid preparations, cryotherapy (freezing), laser therapy, and sometimes minor surgery. Your podiatrist can recommend the most appropriate treatment based on the wart’s location and severity.

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You should see a podiatrist if you experience persistent pain, if the growths become inflamed or infected, or if you have diabetes or poor circulation, which can complicate treatment. Additionally, if over-the-counter treatments are ineffective, professional care is advised.

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