What are the most likely symptoms of corns and calluses?

What are the most likely symptoms of corns and calluses?

Common symptoms include:

• Hardened areas of skin where there is repeated friction or pressure on the skin (corns and calluses).
• Small, round, raised bump of hardened skin surrounded by irritated skin (more likely to be a corn).
• Thick, hardened, larger typically more flatten patch of skin (more likely to be callus).
• Less sensitivity to touch than the surrounding skin (more likely to be callus).
• Raised area of bump may be painful or cause discomfort (more likely to be corn).
• Pain, redness, blisters.