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Ingrown Toenails: Common Questions Answered

Ingrown Toenails: straight answers to the questions people actually ask, with the figures behind them.

Dr Priya Raghunathan, DClinPsy Clinical psychologist 3 min read 2 views
Ingrown Toenails: Common Questions Answered

A nail edge growing into the surrounding skin, causing pain and often infection.

Key takeaways

  • Main cause: cutting nails curved rather than straight across
  • Also contributes: tight footwear and trauma
  • Most useful single change: Cut nails straight across, not into the corners.
  • Commonest mistake: Digging out the nail corner yourself.
  • See a doctor if any of the signs under "When to speak to a doctor" below apply to you.

What is Ingrown Toenails?

A nail edge growing into the surrounding skin, causing pain and often infection.

Why does it matter?

Most are caused by how the nail is cut, which makes them unusually preventable.

Main cause for Ingrown Toenails?

Cutting nails curved rather than straight across.

Also contributes for Ingrown Toenails?

Tight footwear and trauma.

Infection signs for Ingrown Toenails?

Increasing pain, redness, swelling, discharge.

What is the single most useful thing to do?

Cut nails straight across, not into the corners.

What is the most common mistake?

Digging out the nail corner yourself.

When should I see a doctor?

See a GP or podiatrist urgently for spreading redness, pus, fever, or increasing pain. Anyone with diabetes, peripheral arterial disease or a suppressed immune system should seek same-day advice for any ingrown toenail rather than treating it at home.

Where to go next

When to speak to a doctor

See a GP or podiatrist urgently for spreading redness, pus, fever, or increasing pain. Anyone with diabetes, peripheral arterial disease or a suppressed immune system should seek same-day advice for any ingrown toenail rather than treating it at home.

Where this comes from

  • NICE — Ingrowing toenail clinical knowledge summary
  • NHS — Ingrown toenail

How this page was put together

Every figure, recommendation and warning above is taken from the guidance named in Where this comes from. Nothing on this page is inferred, summarised or generalised beyond what those bodies publish: where they give a number, it is their number, and where they are silent, so are we. Pages are rebuilt whenever the underlying record changes. Sign-off by a named clinician, where it has happened, is shown at the top of the page along with the date.

Medical disclaimer

This article is general information, not medical advice. It cannot account for your own history, medication or circumstances. Always speak to a GP, pharmacist or another qualified health professional before making changes that affect your treatment, and never delay seeking medical advice because of something you have read here. In an emergency, call 999.

Spotted something wrong? Report an error on this page. We correct on the page and say what changed.

Frequently asked questions

A nail edge growing into the surrounding skin, causing pain and often infection.
Most are caused by how the nail is cut, which makes them unusually preventable.
Cutting nails curved rather than straight across.
Tight footwear and trauma.
Increasing pain, redness, swelling, discharge.
Cut nails straight across, not into the corners.
Digging out the nail corner yourself.
See a GP or podiatrist urgently for spreading redness, pus, fever, or increasing pain. Anyone with diabetes, peripheral arterial disease or a suppressed immune system should seek same-day advice for any ingrown toenail rather than treating it at home.

Dr Priya Raghunathan

Clinical psychologist writing on sleep, stress and mood. Insists that every technique we publish has been tried by someone with a job, a commute and no spare hour in the morning.

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