An ingrown toenail may seem like a minor annoyance at first, but anyone who has experienced one knows how quickly it can turn into a painful and frustrating problem.
What begins as slight tenderness near the edge of the nail can gradually develop into swelling, redness, throbbing discomfort, and even infection if left untreated. In more severe cases, simply walking, wearing shoes, or standing for long periods can become surprisingly difficult.
An ingrown toenail happens when the side or corner of the nail grows into the surrounding skin instead of over it normally. As the nail presses deeper into soft tissue, the body reacts with inflammation. If bacteria enter the area, infection can develop rapidly.
Several common habits and conditions increase the risk.
Tight or narrow shoes are among the biggest contributors because they constantly press the nail inward while walking. Cutting toenails too short or rounding the edges aggressively can also encourage nails to grow into the skin instead of outward naturally. Injuries to the toe, naturally curved nails, repetitive pressure from sports, and poor foot hygiene may all make the condition more likely.
The earliest warning signs are often subtle.
Many people first notice tenderness along one side of the nail or mild discomfort when pressure is applied. As irritation worsens, the area may become warm, swollen, and visibly red. Closed shoes often make symptoms much more noticeable.
Once drainage, pus, or severe swelling appears, infection may already be developing.
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