Cocaine Side Effects On The Nose (Coke Nose)

Medically Reviewed by Johnelle Smith, M.D.

Updated on March 24, 2026

Many people believe that snorting cocaine is the safest way of administering this drug. Snorting coke, however, can cause nasal damage and septal perforation.

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Cocaine is a highly addictive stimulant drug derived from the coca plant. Like amphetamines, it produces a rapid but short-lived surge of energy and euphoria by flooding the brain with dopamine.

Cocaine can be administered in several different ways, but most people prefer to snort it because they think this is the safest method of getting it into their bloodstream.

This is far from the truth, since cocaine insufflation causes severe damage to the nose when it is repeatedly inhaled over time. This specific set of symptoms is commonly referred to as “coke nose.”

What Does Coke Do To Your Nose?

The nasal passages are lined with a thin layer of mucous membranes that help protect the delicate tissue from debris and bacteria. Mixed in with the mucous membranes is a network of tiny blood vessels, which are needed to warm up the air that is inhaled before it reaches the lungs.

Each time cocaine is snorted, the powder is absorbed into the bloodstream through these blood vessels because its acidic composition allows it to permeate the long, fragile tubes through a mechanism that is similar to osmosis.

The septum, nostrils, and surrounding tissue all need the blood vessels in order to survive because of the oxygen-rich blood that they carry.

When considering what coke does to your nose, it helps to imagine these anatomical features and their importance to breathing properly and smelling odors because the drug essentially destroys the inside of this facial feature. This results in a wide range of short-term and long-term health problems.

Side Effects Of Cocaine Use On The Nose (Coke Nose)

The side effects of cocaine use on the nose include a range of problems for the nose, nasal passages, and related areas in the body. This condition, caused by snorting cocaine frequently over time, is commonly called “coke nose”.

Some of the symptoms of coke nose include:

  • swelling of the nasal passages
  • nasal blockages
  • lung infections
  • nose bleeds
  • tissue death
  • holes developing in the septum, mouth, and throat
  • inflammation
  • collapsed nose structure
  • loss of the ability to smell odors
  • nose deformities (saddle-nose)
  • chronic pain

Why Does Coke Make Your Nose Bleed?

Nosebleeds are a common occurrence in addicted individuals who prefer to snort cocaine instead of injecting it. The reason why coke makes your nose bleed is that the powder causes serious damage to the blood vessels in the nasal passages.

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At first, the body might be able to heal itself from the irritation. But once a person begins using the substance on a regular basis, this becomes impossible, especially if cocaine is being snorted several times a day.

Another contributing factor for nosebleeds caused by snorting cocaine is the way that the substance constricts the blood vessels, which leads to development of high blood pressure.

Constricted blood vessels make the heart work faster because it can’t push blood through them as easily. This extra force causes blood to rapidly leak out of the blood vessels as soon as the slightest opening in them occurs.

How Snorting Cocaine Is Dangerous To Your Nose

Snorting cocaine is dangerous to your nose because it can result in permanent physical damage. As the substance destroys the blood vessels in the mucous membranes, the tissue will be left with no way of receiving oxygenated blood. Without oxygen, the tissue will start to die.

This form of tissue necrosis can result in chunks of nasal tissue falling out of the inside of the nose, which leads to the collapse of the nose structure over time.

Septal Perforation

The septum is a thin, cartilage-based wall that acts as a separator between the nostrils. It is also important because it gives the nose structure and support so that it can hold its shape properly.

Snorting cocaine causes the septum to deteriorate over time. Due to this damage, holes start to form in the septum. This condition is called “septal perforation.”

Septal perforation may require surgical repair in severe cases, though smaller perforations can sometimes be managed with silicone prosthetics or other non-surgical interventions. A specialist in otolaryngology (ear, nose, and throat) can evaluate the extent of damage and recommend appropriate treatment.

Nasal Damage

The nasal damage that cocaine use causes is quite noticeable. At first, the nostrils will swell up from the inflammation. Addicted individuals sometimes have to force straws or other tube-like objects through them so that they can still snort the powder.

Then, the tissue will begin to break down and die. Usually, this occurs at the same time as large holes begin to form in the septum. The raw, bleeding tissue will finally collapse from all of the damage, which leads to a person developing a saddle-shaped nose that they can no longer breathe through.

Other Risks Of Snorting Cocaine

The side effects of cocaine use on the nose are just one part of the devastating damage that cocaine can have on a person’s health. Since the substance is highly addictive, many people become addicted to it after their initial experimentation with it at a party or other social gathering.

There is also a high risk of overdosing on cocaine, especially if it is mixed with other drugs, like opioids.

Fentanyl

The overdose risk from cocaine has only grown in recent years due to fentanyl contamination. Illicitly manufactured fentanyl is now frequently detected in cocaine supplies, often without the buyer’s knowledge. A single dose of fentanyl-contaminated cocaine can be fatal, even for people without opioid tolerance.

There are two steps you can take to help prevent this risk. First, you can use fentanyl test strips to detect its presence before use. Then, you can keep naloxone on hand just in case the cocaine being used is indeed contaminated.

Levamisole

Cocaine purchased through illicit markets is frequently adulterated with levamisole. This is a veterinary medication that can cause agranulocytosis, which is a severe reduction in white blood cells that compromises the immune system. Symptoms include fever, mouth sores, and susceptibility to serious infection.

Anyone who uses cocaine and develops unexplained infections or fever should mention their cocaine use to a treating physician because levamisole-related agranulocytosis requires prompt medical attention.

Finding Treatment For Cocaine Abuse

Snorting cocaine is dangerous because it can cause a condition called “coke nose” that can lead to nose deformities, bleeding, and severe infections. A person’s ability to smell and breathe properly will also be affected.

Early-stage nasal damage from cocaine use can improve with sustained abstinence. Saline rinses, nasal corticosteroids, and evaluation by an ear, nose, and throat specialist can support healing.

Severe damage, including significant septal perforation or saddle-nose deformity, may require specialist intervention. The sooner cocaine use stops, the greater the potential for recovery.

It’s highly recommended that people who are addicted to cocaine go to a treatment center that offers behavioral therapy, counseling, and other evidence-based treatments.

Browse our directory or reach out to the Substance Abuse and Mental Health Services Administration (SAMHSA) for more information about addiction recovery.

This page does not provide medical advice. See more

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