While not always a cause for concern, corns and calluses may need to be removed if they’re causing persistent pain, says Nicole Nicolosi, DPM, a foot and ankle surgeon in the Orthopedic Institute at ...

Medically reviewed by Marisa Garshick, MD Key Takeaways A callus is a hard and thick patch of skin caused by friction or pressure, often on hands or feet.Calluses can be treated with salicylic acid, a ...