Complaints & connections · borters.ch
Unguis incarnatus
Cut straight instead of round, and pull the skin away from the nail with a strip of tape — that solves most cases without a procedure.
Also known as: ingrown nail · nail fold inflammation
Open in the tool — with search and all the links →This compilation is for information and replaces neither medical diagnosis nor treatment. If you have symptoms, see a doctor.
In an ingrown toenail the side edge of the nail presses into the soft nail fold. It is almost always the big toe, and almost always two habits lie behind it: the nail is cut round like a fingernail, and the shoe is too tight at the front. Cutting round leaves a small spike at the side that drives into the skin as it grows out. Then a self-feeding chain begins: the pressure irritates the skin, the skin swells, the swollen skin lies even closer to the nail. If inflammation joins in, a weeping, easily bleeding lump of tissue forms that makes every touch painful. The most effective move is surprisingly simple and almost never shown: pull the skin away from the nail and fix it with a strip of tape running diagonally across the top of the foot, together with a warm soapy bath in the evening and a small piece of cotton under the corner. A large share of cases heals that way in two to three weeks. If it keeps coming back, a small procedure removes only the edge strip of the nail together with its root. One group has to proceed differently: anyone with diabetes, a circulation problem or numb feet does not treat themselves.
The toenail is cut straight across, not filed round, and not shorter than the tip of the toe. The corners must sit visibly above the nail fold — then nothing can grow in.
A narrow strip of tape is placed beside the nail, pulling the skin away downwards and diagonally across the top of the foot, where it is stuck down. Renewed daily, two to three weeks. This technique is the most effective move of all and costs almost nothing.
Ten to fifteen minutes in warm water with a little soap or salt soften the skin and calm the inflammation. Dry well afterwards — dampness is part of the problem.
Trying to cut the spike out almost always leaves a new, even sharper remnant. That is exactly what turns a one-off nuisance into a recurring one.
Under local anaesthetic only the side strip of the nail together with its root is removed. The nail stays, merely narrower, and in the great majority of cases the matter does not return.
The ingrown nail is one of the commonest starting points for a diabetic foot problem. Podiatry and medical review are not over-caution here but the normal route.
Ointments and baths ease the inflammation — they change nothing about the nail edge pressing into the skin. An antibiotic is needed only if the inflammation spreads; the proud flesh at the edge is a reaction to pressure, not an infection. What helps lastingly is removing the nail edge together with destroying the growth zone; it then returns in under one in ten, compared with about one in three without. Cutting straight rather than round is the prevention.
It most often affects the big toe and young people between fifteen and forty. Without destroying the growth zone it returns in about one in three; with it, in under one in ten. After partial removal the nail grows back over six to twelve months. Shoes that are too short and rounded cutting are the two most common triggers — the nail should be cut straight and the corners left visible.
The commonest cause of all, and the only one that can be changed at once and for good. The toenail is cut straight across, the corners stay visible.
Pointed models, sports shoes that are too short and long downhill walks press the nail into the fold as well. Damp socks additionally soften the skin.
Red, easily bleeding tissue growing over the nail edge. It looks dramatic but belongs to the picture and recedes as the pressure does.
If the edge keeps growing in, the shape of the nail itself is the problem. Then the small procedure is worth more than a tenth attempt with cotton wool.
That is the limit of self-treatment. Without feeling the damage goes unnoticed, without good circulation it does not heal — here the foot belongs in trained hands from the start.
The one value that changes what is done. With diabetes the toe heals worse, feels less and infects more easily — then every treatment belongs in trained hands.
Only needed when the inflammation goes beyond the nail fold — redness travelling up the toe, fever or marked swelling.
Skin and lining renew themselves quickly and need zinc for it. With places that heal badly, cracked corners of the mouth and frequent skin infections a lack is a serious possibility.
Without vitamin C no stable collagen forms — the wound closes but holds less well. With a very one-sided diet, smoking and alcohol the intake is often tighter than assumed.
Steers the horn-forming of the skin. Too little makes it rough and dry, too much over longer periods harms liver and bone — and in pregnancy a strict upper limit applies.
Every healing needs building material. Anyone eating little during an illness loses exactly that — a sufficient amount spread across the day belongs to the treatment.
Two things decide, and both are mechanical: cutting straight instead of round, and the shoe that leaves enough room at the front. An ingrown nail is not a question of nutrients — it is a question of pressure and angle.
Much sold for nails. Where it works it makes the nail thicker and firmer — and a thicker nail does not ingrow less, rather more. More important still: biotin falsifies laboratory values, among them thyroid and cardiac markers; before a blood draw it belongs stopped.
With diabetes an ingrown nail is no small matter: the wound heals more slowly, and the missing warning pain lets it grow. There it belongs in professional hands and not to be cut oneself.
In puberty nails grow faster and the feet sweat more — which is why ingrown nails cluster in those years. It is a phase, not a disposition.
A toenail grows 1–2 mm a month and needs six months to a year to renew fully. Diet therefore shows only after months — cutting technique works at once.
Foot baths soften the nail edge and ease the inflammation. They do not replace the right cutting technique — straight, not rounded.