Start with how bad it actually is
Ingrown toenail treatment splits cleanly in two, and knowing which half you are in saves a great deal of wasted effort.
A mild ingrown toenail is sore at the edge, a little red, and uncomfortable in a shoe. There is no pus, and the pain responds to ordinary painkillers. This will often settle with home care alone, and home care is the right place to start.
A more advanced one has broken the skin. There may be pus or clear fluid, the toe throbs on its own rather than only when pressed, and it has either lasted several weeks or come back more than once. At that point no amount of soaking will resolve it, because the problem is no longer the swelling. It is the shape of the nail edge underneath.
One thing that is not a home problem at all: if redness is spreading up your foot, you have a temperature, or you feel unwell in yourself, that needs a doctor the same day. Call 111 or go to A&E. A hot, swollen, painful toe on its own is not that, and it is treatable.
What genuinely helps at home
Three things are worth doing, and they are the ones with the least glamour.
Warm salt water. Soak the foot for ten to fifteen minutes, two or three times a day, in warm water with ordinary table salt. This softens the skin, helps the area drain if it needs to, and keeps it clean. It is the single most useful thing you can do at home, and it is what the NHS advises.
Footwear. Ingrown toenails are very often a pressure problem. Anything narrow at the toe, anything that presses the nail edge into the skin, will keep the problem going however diligently you soak. Open shoes or the roomiest pair you own, for as long as it takes.
Ordinary painkillers. Paracetamol and ibuprofen together, taken at proper intervals rather than occasionally, control the pain of a mild ingrown toenail well.
Keep it dry between soaks, and leave it alone otherwise. That is genuinely the whole list.
What to stop doing
Most of the popular advice online is either useless or actively harmful, and some of it is why people end up needing surgery.
Pushing cotton wool or dental floss under the nail. Widely recommended, and the reasoning sounds plausible: lift the nail edge off the skin. In practice you are pushing a foreign material into a break in the skin, which invites infection, and the moment it comes out the edge returns to where it was. It treats neither the shape of the nail nor the cause.
Cutting a V in the middle of the nail. This one is folklore. The idea is that the nail will grow inward to fill the notch and pull the edges away from the skin. Nails do not work like that. They grow forward from the base, and a notch in the middle changes nothing at the edge where the problem is.
Digging it out yourself. Bathroom surgery with nail scissors is how a sore toe becomes an infected one. It usually leaves a fragment, a spike of nail, still buried in the skin, and that spike is what keeps the pain going.
Hydrogen peroxide. It is not a wound cleaner. It irritates healthy tissue and does not do anything useful here that warm salt water does not do better.
Cutting the nail down at the corners. Understandable, and it is the thing that causes ingrown toenails in the first place. Cut straight across, not into the corners.
Creams, ointments and antibiotics
There is no cream that cures an ingrown toenail, and it is worth being plain about why.
The problem is mechanical. A section of nail edge is pressing into, or has pierced, the skin beside it. No topical product changes the shape or direction of a nail. Antiseptic creams keep the area clean, which is worth something, and numbing creams take the edge off, which is worth something too, but neither is treatment.
Antibiotics are a genuine and important exception, and also the most misunderstood part of this. If the toe is infected, antibiotics will clear that infection, and they should. What they will not do is alter the nail. Once the course finishes, the same nail edge is still pressing into the same skin, which is exactly why so many people describe a cycle of infection, antibiotics, a few good weeks, and then the whole thing again.
If you are on your second or third course of antibiotics for the same toe, that is the clearest signal there is that the nail itself needs dealing with.
One practical note: Anna's clinic is inside Sabel Chemist, and she routinely arranges antibiotics for patients through the prescribing pharmacist there. An infected toe can be dealt with in one appointment, the infection and the nail together, rather than a separate trip to a GP first.
When home treatment has run out of road
Stop treating it yourself, and have it looked at, if any of these are true.
It has not meaningfully improved after about a fortnight of proper home care. Not occasional soaking, but the real thing, several times a day, in sensible shoes.
It has come back. Recurrence is the strongest single indicator that the nail edge is the problem rather than a one-off irritation.
There is pus, or the skin at the side has become lumpy and bleeds easily. That overgrown tissue does not settle on its own.
The pain is stopping you sleeping, walking normally, or getting a shoe on.
You have diabetes, poor circulation, or reduced sensation in your feet. In that case do not run the home-treatment experiment at all. Have it assessed early.
If you are unsure which side of that line you are on, a photo assessment is an easy way to find out without committing to an appointment.
What a podiatrist does that you cannot
The useful thing a podiatrist does is not a stronger version of home care. It is a different thing altogether.
The first is simply seeing it properly. A great deal of ingrown toenail pain comes from a small spike of nail buried in the skin fold, invisible from above and impossible to reach yourself. Removing it can bring immediate relief.
The second is treating the edge under local anaesthetic. A painful nail edge cannot be dealt with properly while it hurts, which is the practical reason home attempts fail. Numbed, the offending section can be removed cleanly and completely.
The third is dealing with the cause rather than the episode, which is where nail surgery comes in.
The permanent fix: nail surgery
For an ingrown toenail that keeps returning, the definitive treatment is a partial nail avulsion with phenol, often called a phenol matrixectomy.
The principle is straightforward. The toe is numbed with local anaesthetic. The problematic strip of nail edge is removed, and phenol is applied to the small area of nail bed that produced it, so that particular strip does not grow back. The rest of the nail is untouched and looks normal afterwards.
It takes about an hour, you walk in and walk out, and it is done at the clinic rather than in a hospital. Success rates are high, and the point of it is that it ends the cycle rather than resetting it.
This is the treatment for the recurring, infected or genuinely painful ingrown toenail. It is not the first thing to try for a mild one, and nobody should be pushed towards it who does not need it.
What it costs
Standard nail surgery at the Hendon clinic is £286, all-inclusive. That covers the assessment, the procedure, the local anaesthetic, all materials and dressings, and two follow-up appointments. If a second toe needs treating at the same appointment, it is charged at half price.
If you cannot wait, emergency appointments are £500 and sit outside normal clinic hours. Book by 1pm Monday to Thursday and you are seen that afternoon. The surgery is identical; the difference is when you are seen.
For comparison, London clinics generally charge from around £350 to £750 per toe for the same procedure, and at some the consultation and follow-ups are billed separately. One London private hospital publishes £1,550 for ingrown toenail surgery, and that figure covers hospital charges only, before the surgeon's fee is added.
The NHS does perform this operation and it is free, so it is worth asking. The trade-off is waiting time: some London podiatry services publish average waits of twelve to eighteen weeks to a first appointment, with surgery a further appointment after that.