Corns and Calluses on Feet: What They Are and Why They Form
If you’ve ever noticed thick, rough patches of skin on your toes or feet, you’re likely dealing with corns or calluses. These are very common skin changes that usually develop due to repeated pressure or friction. While they can be uncomfortable, they are typically not dangerous.
What Causes Corns and Calluses
Corns and calluses often form when the skin tries to protect itself from constant rubbing or pressure. One of the most common causes is wearing shoes that don’t fit properly—whether they are too tight, too loose, or high-heeled.
Second-hand shoes can also increase the risk. Since they’ve already been shaped by someone else’s feet, they may create uneven pressure points that don’t match your natural foot structure. Over time, this can lead to irritation and thickened skin in specific areas.
How the Skin Responds
When friction continues, the skin naturally thickens as a defense mechanism. This creates a hard, raised area made up of layers of dead skin cells (keratin).
Hard corns often appear on the tops or sides of toes and may have a central core. This can cause discomfort, sometimes feeling like a small stone pressing against the skin when you walk.
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