Ingrown toenail

Also called Onychocryptosis

An ingrown toenail is when the edge of a toenail grows into the skin next to it, usually on the big toe. It can be painful and the skin can become red, swollen and infected. It is often caused by cutting nails too short or shoes that are too tight.

Last updated Nov 9, 2026

What it is

Soaking the foot in warm water, keeping it clean, wearing wide shoes and gently pushing the skin away from the nail can help.

A podiatrist or doctor may remove part of the nail if it keeps coming back or is infected.

Common signs

  • Pain along the side of the toenail
  • Red, swollen skin
  • Pus or bleeding if infected
  • Overgrown skin at the side of the nail

How it is usually diagnosed

  • Examination of the toe

Records worth keeping

Keeping these together makes each appointment easier, especially when you see a new doctor:

  • Podiatry notes
  • Procedure notes, if part of the nail was removed

Questions to ask your doctor

  • Do I need antibiotics?
  • Should part of the nail be removed?
  • How should I cut my nails to prevent it?

When to get help right away

Call 112 or go to the nearest emergency department if you have:

  • Spreading redness, fever, or an ingrown nail in someone with diabetes: get it checked promptly

This page is general information. It is not a diagnosis and does not replace a doctor who knows your history. Medfold keeps your records organised; it does not interpret them.

Sources