Cocaine and septal perforation
Snorted cocaine is one of the two most common causes of a hole in the septum. This page explains what happens inside the nose, why you need to stop before any repair, and where to find help, free and confidential.
Written by the Septal Perforation team, patients, from the sources cited · Reviewed by doctors · Updated 1 November 2026 · Method and sources
In brief
Cocaine narrows the blood vessels of the septum; used repeatedly, it starves the cartilage of blood, which dies and leaves a hole.
Stopping is the condition for any repair: the 2026 consensus requires abstinence before closure, and half of the experts wait at least a year.
A cocaine-related perforation can be repaired; talking openly to your ENT surgeon, who is bound by confidentiality, is what makes treatment possible.
You are not alone
Cocaine use has risen sharply across Europe over the past decade. ENT surgeons see cocaine-related perforations in people from every walk of life, who used it regularly or in phases. They are used to it, and their job is to treat you.
The reverse is also true: a perforation is not proof of drug use. Surgery, sprays, picking, inflammatory diseases or occupational exposure produce exactly the same hole. If you are wrongly suspected, the page Causes lists the other leads to explore.
What happens inside the nose
The septum is cartilage covered with lining on both sides. The cartilage has no blood vessels of its own: it lives on the blood supplied by the lining. Cocaine is a powerful vasoconstrictor that narrows these small vessels with every line. The 2026 consensus describes the same sequence of stages for every perforation that develops slowly; with cocaine, each use restarts the first one.
Other factors add up: crystals hitting the lining at high speed, repeated infections of damaged tissue, and crusts picked off with a finger, which enlarge the hole. The nose is often blocked, bleeds, loses some sense of smell and can become painful.
How far the damage can go
For most people, the damage stays limited to the septum. For some, destruction spreads: doctors call this a cocaine-induced midline destructive lesion. It moves down to the floor of the nose and the palate, across the side walls and, rarely, up towards the eye socket and the skull base.
These lesions look very much like an inflammatory disease, granulomatosis with polyangiitis, or certain nasal lymphomas. Antibodies called ANCA can even be positive in both. That is why your ENT surgeon orders a blood test, and sometimes a biopsy, before drawing conclusions.
The 2026 consensus also asks doctors to look for a collapse of the nasal bridge, a "saddle nose": when the supporting cartilage has gone, it has to be rebuilt at the same time as the hole is closed.
Systematic review, 2022. The patients in these series sought care for advanced damage; they do not represent all people who use cocaine.
- drinks come back up through your nose: the palate may be affected;
- the bridge of your nose sinks or caves in;
- facial pain becomes severe or constant, or your vision changes.
Cutting agents: levamisole
Street cocaine is almost never pure. For about a decade, the most common cutting agent in Europe and the United States was levamisole, a veterinary worming drug. On its own it can cause inflammation of small blood vessels, a vasculitis, and a sudden drop in white blood cells.
Its share has fallen markedly: found in about 70% of samples tested in the Netherlands in 2015, it appeared in only 3% of samples tested by European drug-checking services according to the European Union Drugs Agency's 2026 report. Cocaine itself remains the main cause of nasal damage; levamisole is worth checking when blood tests suggest a vasculitis.
These figures come from different testing networks; they show a trend, not an exact comparison.
Why you need to stop before repair
Closing a perforation relies on well-supplied lining that is moved across the hole. If the vessels keep being narrowed, the repair dies just as the cartilage did, and the hole reopens, often larger. That is why the 2026 consensus is among its clearest here: 100% of the experts consider abstinence necessary before any attempt, 96% strongly.
For how long? The experts did not agree on a single figure, but most wait at least a year. In some patients the damage keeps evolving for a while after stopping; the waiting period also confirms that the lining has settled.
A drug test before surgery is not a punishment: it lets the surgeon operate at the right time and gives you the best chance. The consensus recommends it whenever drug use is possible.
The work-up follows the same steps as for any perforation: your answers, endoscopy, a CT scan, and a blood test to rule out vasculitis (how the cause is found). Local care comes first; repair follows once stopping is confirmed and the lining has settled.
Getting help
Stopping is possible, and help is free
In the UK, FRANK offers free, confidential advice on 0300 123 6600, by text and live chat, and can point you to local support services.
In the United States, the SAMHSA National Helpline, 1-800-662-4357, is free, confidential and open 24 hours a day, every day of the year. In France, Drogues Info Service answers on 0 800 23 13 13.
Your ENT surgeon and your doctor are bound by medical confidentiality. Telling them the truth does not expose you: it is what lets them choose the right time and technique for the repair. The site's support groups also welcome patients who have been through this.
Frequently asked questions
Can a single use make a hole in the septum?
Perforations usually appear after repeated use, but there is no known threshold below which the risk is zero: sensitivity varies from person to person, and the purity of street cocaine has increased.
Will the hole keep growing if I stop?
Stopping removes the main cause. In some people the damage keeps evolving for a while; local care, no picking and regular measurement show whether it does and protect the edges.
Can my doctor report me to the police?
No. Doctors are bound by medical confidentiality. Their job is to treat you, and they need to know in order to choose the right time for the repair.
Sources
Every figure on this page comes from one of these publications. The year is the year of publication.
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