A septum blowout is a ring of scar tissue that forms around a septum piercing, typically when the piercing is stretched too quickly. It gives the piercing the appearance of turning inside out, with a flap or lip of skin pushing out from one side of the jewelry. The term is also used more broadly to describe a septal hematoma, a pocket of blood that collects inside the nasal septum after trauma, which is a medical emergency. Both conditions involve the septum, but they have very different causes, risks, and treatments.
Piercing Blowouts: Causes and Signs
In the piercing community, a blowout happens when you stretch (or “gauge”) a septum piercing too fast. The pressure forces the inner lining of the piercing channel outward, creating a visible ring of scar tissue behind the jewelry. It looks like a small lip or flap of skin that wasn’t there before. Blowouts are one of the most common complications of gauging any piercing, and the septum is no exception.
The main cause is impatience. Stretching too many sizes at once, skipping rest periods between stretches, or forcing jewelry through tissue that isn’t ready all create the kind of pressure that pushes the fistula (the healed tunnel of skin inside the piercing) outward. Using improper materials, stretching without lubrication, or ignoring pain during the process makes things worse. If you feel sharp pain or resistance when sizing up, that’s your body telling you the tissue isn’t ready.
How to Handle a Piercing Blowout
If you catch a blowout early, it’s often reversible. The first step is to downsize your jewelry immediately, going back to the previous gauge that was comfortable. This takes pressure off the tissue and gives it room to heal. Keeping the area clean and leaving it alone for several weeks before attempting to stretch again gives the scar tissue time to reabsorb. Some people find that wearing a smaller gauge and gently massaging the area with oil (like jojoba) over time helps flatten the blowout.
If the blowout has been there for a while and the scar tissue has hardened, it becomes much more difficult to reverse without professional help. A piercer experienced with stretched piercings can assess whether the tissue is salvageable or whether you need to retire the piercing and let it heal fully before starting over.
Septal Hematoma: The Medical Emergency
A septal hematoma is a completely different situation. This is a collection of blood that pools between the cartilage of your nasal septum and the thin membrane that covers it. It usually happens after a blow to the nose, whether from a sports injury, a fall, a car accident, or a fight. The force ruptures small blood vessels, and blood accumulates in a pocket that presses against the cartilage.
This matters because nasal cartilage gets its blood supply from that surrounding membrane. When a hematoma separates the membrane from the cartilage, it cuts off nutrition to the cartilage. Without drainage within 72 to 96 hours, the cartilage can start to die. That dead cartilage can’t be brought back, and the structural damage it causes to the nose can be permanent.
Recognizing a Septal Hematoma
After a nose injury, some swelling and tenderness is normal. A septal hematoma goes beyond that. The swelling occurs inside the nose, on the septum itself, and it can be dramatic enough to block one or both nostrils entirely. Breathing through your nose becomes difficult or impossible. You may feel a sense of fullness or pressure inside the nose that doesn’t improve.
If you look inside the nostrils (or a doctor does), the septum appears swollen, puffy, and often bluish or dark red. The key difference between a hematoma and a simple deviated septum or bruise is how the tissue feels. A hematoma is soft and fluctuant, meaning it has some give when pressed, like a small water balloon. A deviated septum or regular swelling feels firm. Doctors use a nasal speculum and light to get a clear view, and sometimes gently press on the swelling to confirm fluid is present underneath.
What Happens Without Treatment
Left alone, a septal hematoma follows a predictable and worsening path. The trapped blood becomes a breeding ground for bacteria, and within days the hematoma can turn into an abscess. At that point, you’ll likely develop fever, increasing pain, and possibly a foul-smelling nasal discharge.
Even if infection doesn’t set in, the pressure from the blood starves the cartilage of oxygen and nutrients. The cartilage dies and eventually dissolves or collapses. This can lead to two serious outcomes. The first is a septal perforation, an actual hole through the septum that causes chronic nasal congestion, whistling sounds during breathing, and crusting. The second is saddle nose deformity, where the bridge of the nose collapses inward because the internal cartilage structure that supported it is gone. Both conditions typically require reconstructive surgery to correct, and results aren’t always perfect.
How Drainage Works
The treatment for a septal hematoma is straightforward: a doctor makes a small incision in the swollen area and drains the collected blood. The procedure is usually done under local anesthesia and takes only a few minutes. Afterward, packing is placed inside the nose to keep pressure on the area and prevent blood from re-accumulating. You’ll leave the packing in until your doctor removes it.
Antibiotics are typically prescribed to prevent infection, and you’ll need to take the full course even if you feel better quickly. Most people can return to work or school within a few days of the procedure. Full recovery takes one to two months, with follow-up visits over the next three to four months to make sure the septum is healing properly and no complications have developed.
Septal Hematoma After Surgery
Septal hematomas don’t only happen from accidental injuries. They’re a known complication of septoplasty (surgery to straighten a deviated septum) and rhinoplasty (cosmetic nose surgery). The rate is low, occurring in roughly 2% of septoplasty patients based on pooled data across multiple studies. Post-surgical bleeding that requires intervention is slightly more common, at about 4%. If you’ve recently had nasal surgery and notice increasing swelling, pressure, or difficulty breathing through both nostrils, those are signs worth getting checked promptly rather than assuming it’s normal post-operative swelling.
After Any Nose Injury
Not every hit to the nose causes a septal hematoma, but you can’t rule one out just because the nose isn’t broken. A hematoma can form even without a fracture. The key warning signs to watch for in the hours and days following nasal trauma are progressive nasal obstruction (breathing through the nose getting worse, not better), visible swelling inside the nostrils, and a feeling of pressure or fullness that seems disproportionate to the injury. Pain that intensifies rather than gradually improving is another red flag, especially if accompanied by fever, which suggests the hematoma may already be infected.