What Happens If Your Eardrum Bursts: Symptoms and Risks

A burst eardrum, known medically as a tympanic membrane perforation, causes sudden sharp pain, a noticeable drop in hearing, and sometimes bleeding or drainage from the ear canal. The good news is that most traumatic perforations heal on their own within weeks, with spontaneous closure rates in the range of 87 to 97 percent for straightforward injuries. But how much hearing you lose, how long recovery takes, and whether you need medical intervention all depend on the size of the hole, where it sits on the membrane, and what caused it in the first place.

What It Feels Like Right When It Happens

The eardrum is a thin, cone-shaped membrane stretched across the end of your ear canal, separating the outer ear from the middle ear. When it ruptures, the most common immediate sensation is a sharp, stabbing pain. Some people describe it as a sudden “pop” followed by a burning ache. If the perforation was caused by a physical object like a cotton swab, you may also see blood on the swab tip or draining from the ear. The pain typically peaks right at the moment of rupture and then fades over the following hours, though a dull soreness can linger.

Along with pain, you’ll likely notice your hearing dulls on that side almost immediately. Sounds may seem muffled or distant. Some people also experience tinnitus, a ringing or buzzing that can range from faint to distracting. If the injury affects structures deeper than the eardrum itself, particularly the inner ear, vertigo and dizziness can develop. Cotton swab injuries, one of the most frequent culprits, can cause all of these symptoms, including vertigo and tinnitus, when the trauma extends beyond the membrane.¹

What Causes an Eardrum to Burst

Eardrums can rupture from three broad categories of force: direct physical trauma, pressure changes, and infection.

Foreign objects: Cotton swabs are the single most common physical cause of traumatic eardrum perforation. Hairpins, pencils, and even aggressive ear irrigation can do the same damage. The injury happens when the object pushes past the ear canal and strikes or punctures the membrane directly.¹
Pressure changes (barotrauma): When the pressure outside your ear and the pressure inside your middle ear get badly out of balance, the membrane can stretch to the point of tearing. This is most common during scuba diving and air travel. The underlying problem is Eustachian tube dysfunction: the narrow tube connecting your middle ear to the back of your throat fails to equalize the pressure differential, and the eardrum takes the strain.²
Infection: Middle ear infections, especially in children, can cause fluid and pus to build up behind the eardrum. If the pressure from that fluid becomes great enough, the membrane ruptures outward. This is sometimes accompanied by a sudden relief of earache as the built-up pressure escapes.
Blast waves: Explosions produce a rapid pressure wave that can perforate eardrums even at a surprising distance from the blast. In one study of 647 explosion survivors, about 30 percent sustained primary blast injuries to the ear, with isolated eardrum perforation being the most common injury pattern.³

A hard, open-handed slap to the side of the head can also burst an eardrum by compressing air in the ear canal. This mechanism is essentially a miniature version of blast-wave barotrauma.

How Much Hearing You Actually Lose

People tend to assume a ruptured eardrum means they’re going deaf in that ear. The reality is more nuanced: the amount of hearing loss depends heavily on the size of the perforation and its location on the membrane. Small holes cause modest hearing loss, while large perforations produce substantially more.

One analytical study sorted perforations into three size groups and found that average hearing loss climbed from about 29 decibels for small perforations to roughly 39 decibels for large ones.⁴ To put that in everyday terms, 30 decibels of hearing loss means you’d struggle to catch a whispered conversation, while 40 decibels means normal-volume speech starts to sound unclear, especially in a noisy room. You’re not losing all hearing; you’re losing the ability to pick up softer and mid-level sounds clearly.

Location matters just as much as size. Perforations toward the back of the eardrum tend to cause the worst hearing loss, averaging around 40 decibels, while perforations toward the front average closer to 30 decibels.⁴ The reason has to do with the eardrum’s anatomy: the back portion sits closest to the round window membrane of the inner ear, and damage there disrupts the sound-conducting chain more effectively. One separate study confirmed that hearing loss tracks linearly with perforation size and found that when the central point of the eardrum, called the umbo, is involved, hearing worsens by an additional five to six decibels.⁵

The type of hearing loss from a simple perforation is conductive, meaning the problem is in sound transmission rather than nerve damage. Your inner ear still works fine; the membrane just isn’t vibrating the way it should. This is worth knowing because conductive hearing loss from a perforation is almost always reversible once the hole closes, whether on its own or through surgery.

When Hearing Loss Becomes Permanent

Simple perforations that heal don’t usually leave lasting hearing damage. But complications can change that picture. If the injury involves more than just the membrane, for instance if the tiny chain of bones in the middle ear (the ossicles) gets dislocated or fractured, or if the inner ear itself sustains damage, you can end up with a sensorineural hearing loss component that may not fully recover.

Blast injuries illustrate this risk well. In a study of patients injured in a London bombing, all three patients who suffered eardrum perforations had persistent mixed hearing loss, meaning both conductive and nerve-related damage. Among the wider group of blast survivors, about 42 percent had some degree of lasting hearing impairment, though most of the sensorineural hearing loss and tinnitus in those without perforations resolved within days to weeks.⁶ The broader pattern from blast trauma research is that the eardrum is the most vulnerable structure in the ear, often rupturing before deeper structures are harmed, but when the force is strong enough to damage the inner ear as well, the hearing prognosis gets considerably worse.

Will It Heal on Its Own

Most traumatic eardrum perforations do heal spontaneously, and the healing rates are encouragingly high. Research on pediatric and adult traumatic perforations has reported spontaneous closure rates between roughly 87 and 97 percent.⁷ The membrane regenerates from its edges inward, with skin cells migrating across the gap to close the hole.

That said, healing isn’t always straightforward. Researchers studying the migration patterns of skin cells on healing eardrums found that sometimes the cells grow outward rather than inward across the perforation. When this happens, the hole doesn’t close until the growth pattern reverses to a centripetal, or inward-moving, direction. This outward migration can substantially delay closure without necessarily preventing it.⁸

The timeline for natural healing varies. Small perforations from a simple trauma often close within two to four weeks. Larger holes can take two to three months. A doctor will typically adopt a wait-and-watch approach for the first couple of months before recommending any procedure, keeping the ear dry and free of infection in the meantime.

What to Do (and Avoid) While Your Ear Heals

While your eardrum is open, the barrier between your ear canal and middle ear is gone. That means water, bacteria, and debris have a direct path to structures that are normally sealed off. The most important practical step during recovery is keeping water out of the ear. Swimming is off limits. When you shower, use a cotton ball coated in petroleum jelly or a silicone earplug to block the canal. Getting water in a perforated ear can introduce infection, which is one of the main reasons a simple perforation sometimes becomes a chronic problem.

Avoid putting any drops in the ear unless a doctor specifically tells you to. Some ear drops contain ingredients that are safe for the ear canal but potentially harmful to middle ear structures when there’s a perforation. Don’t try to clean the ear out yourself, and resist the urge to probe or touch the area. Blowing your nose forcefully can also push air and mucus up through the Eustachian tube and out through the perforation, which delays healing and can introduce bacteria.

Your doctor will usually check the ear periodically with an otoscope to monitor closure. In some settings, digital otoscopy images can be compared over time. A standard clinical assessment typically combines visual examination under magnification with hearing tests to track whether the conductive hearing loss is resolving as the membrane repairs.⁹

When Surgery Is Needed

If a perforation hasn’t closed after about three months of observation, or if recurrent infections are complicating the picture, surgical repair becomes the next step. The procedures range from simple in-office techniques to more involved operations under general anesthesia, depending on the size and chronicity of the hole.

For small perforations, a paper patch myringoplasty is one of the simplest options. A doctor places a small paper or gel-film patch over the hole to act as a scaffold, encouraging the membrane’s own cells to grow across it. This can be done in a clinic under local anesthesia. Research supports paper patching as a safe and effective outpatient technique for dry perforations smaller than about half the eardrum’s surface area, with outcomes influenced by perforation size, location, and the patient’s age.¹⁰

When comparing different in-office graft materials for small perforations, a study found that fat grafts and cartilage tissue (perichondrium) both achieved closure rates of about 87 percent, while paper patching came in around 67 percent. Despite the numerical difference, the gap wasn’t statistically significant in the study, likely due to small sample sizes, and all three approaches were considered acceptable for small holes.¹¹

For larger or chronic perforations, a formal tympanoplasty is the standard. This typically involves taking a small graft of tissue, often from the fascia covering the muscle just above the ear, and using it to reconstruct the membrane under microscopic guidance. A systematic review of various graft materials found an overall closure rate of about 82 percent, with an important caveat: acute perforations (under eight weeks old) closed at roughly 90 percent, while chronic perforations closed at only about 65 percent.¹² The takeaway is that the longer a perforation sits open, the harder it becomes to repair, which is why doctors monitor closely and don’t wait indefinitely before suggesting surgery.

Risks of Leaving a Perforation Untreated

A small perforation that heals quickly usually leaves no lasting consequences. But a perforation that stays open creates ongoing vulnerability. The most immediate risk is recurrent middle ear infections, since bacteria can enter from the ear canal directly into the middle ear space. Repeated infections can damage the ossicles, the tiny bones that transmit sound, leading to worse and potentially permanent conductive hearing loss.

A more serious long-term complication is cholesteatoma. This is an abnormal growth of skin cells that forms in the middle ear, and one recognized pathway for its development is the migration of skin from the ear canal through a ruptured eardrum into the middle ear space.¹³ Cholesteatomas grow slowly but can erode bone over time, potentially damaging the ossicles, the facial nerve, or even the bony covering of the brain. They almost always require surgical removal. This is one of the strongest reasons not to ignore a perforation that isn’t healing: the risk of cholesteatoma climbs the longer skin has an opportunity to migrate through the defect.

Blast Injuries and the Ear as a Pressure Gauge

In military and emergency medicine, a perforated eardrum after an explosion serves a dual role. It’s both an injury in its own right and a potential warning sign that more dangerous blast injuries may be present elsewhere in the body. The eardrum is the structure most sensitive to blast overpressure, meaning it ruptures at lower pressure thresholds than the lungs or intestines. Emergency physicians have studied whether eardrum perforation can predict lung blast injury, since pulmonary damage from explosions can be life-threatening and is not always immediately obvious.

In the study of 647 explosion survivors mentioned earlier, 142 had isolated eardrum perforation without lung injury, while 31 had both ear and lung blast injuries.³ The relationship isn’t simple enough to use eardrum status as a reliable screen for lung damage, but an intact eardrum after a blast does provide some reassurance that the overpressure the person experienced was on the lower end. In a separate analysis of patients injured by handmade explosives, tinnitus and hearing loss were the most frequent complaints across all patients, and eardrum perforations were found in a subset of cases, reinforcing that the ear is reliably the first organ to show blast damage.¹⁴

Even when the eardrum itself heals after a blast, the sensorineural component of the hearing damage can persist. High-frequency hearing loss and chronic tinnitus are among the most common lasting effects for blast survivors, and these result from inner ear damage rather than the perforation itself.⁶

Why Children Heal Differently

Children get middle ear infections far more often than adults, which means they’re also more likely to experience infection-related eardrum perforations. Their Eustachian tubes are shorter, more horizontal, and less efficient at draining fluid, making infections more frequent and pressure buildup more common. The upside is that children’s eardrums heal remarkably well. Spontaneous closure rates in pediatric populations have been reported as high as 87 to 97 percent, comparable to or slightly better than typical adult healing rates for traumatic perforations.⁷

However, cholesteatoma formation is a particular concern in children. The same paper discussing cholesteatoma pathology specifically addresses childhood cases, noting that secondary acquired cholesteatoma can develop when skin migrates through a ruptured eardrum.¹³ Because children may not articulate ongoing ear symptoms clearly, a perforation that doesn’t heal in a child warrants close follow-up to catch any early signs of abnormal skin growth before it becomes destructive.

Flying and Diving with Ear Problems

If you already have a perforated eardrum, you might assume flying would be dangerous. Counterintuitively, a perforation actually eliminates the pressure differential that causes barotrauma in the first place, because air can move freely through the hole. You’re unlikely to experience the pain and pressure that people with intact but poorly equalizing eardrums feel during descent. The real problem with flying while perforated is infection risk, not pressure: cabin air is dry and recirculated, and any pathogen that reaches the middle ear has a direct route in.

Diving is a different story entirely. The water pressure changes during a dive are far greater than those in an aircraft cabin, and having a perforated eardrum means cold water can flood directly into the middle ear. This can cause severe vertigo by stimulating the balance organs with a sudden temperature change, a phenomenon called caloric vertigo. It’s disorienting and dangerous underwater. Diving with a known perforation is strongly discouraged, and most dive medical guidelines require a fully healed eardrum and normal Eustachian tube function before clearing someone to dive.

Even after a perforation heals, the repaired membrane may be slightly thinner or less resilient than the original. If you’re a regular diver or frequent flyer, it’s worth having your ears checked and getting clearance before returning to pressure-change activities, especially if the perforation was large or required surgical repair.

1
PubMed Central. An Underestimated Everyday Hazard: Subacute Deafness Following Cotton Swab Injury
2
Otolaryngologic Clinics of North America. Otic Barotrauma
3
PubMed. Eardrum perforation in explosion survivors: is it a marker of pulmonary blast injury?
4
Indian Journal of Otology. Tympanic membrane perforation: Its correlation with hearing loss and frequency affected – An analytical study
5
Otology & Neurotology. Functional Correlations of Tympanic Membrane Perforation Size
6
Emergency Medicine Journal. Bomb blast injuries to the ear: the London Bridge incident series
7
Wiley Online Library / Clinical Otolaryngology. Healing of the tympanic membrane after surgical intervention for atelectasis of the middle ear in sixty-two adults
8
PubMed. Spontaneous healing of traumatic eardrum perforation: outward epithelial cell migration and clinical outcome
9
PubMed. Digital otoscopy versus microscopy: How correct and confident are ear experts in their diagnoses?
10
PubMed. In-Office Paper Patch Placement for Tympanic Membrane Perforation
11
PubMed. Comparison of paper-patch, fat, and perichondrium myringoplasty in repair of small tympanic membrane perforations
12
PubMed. A Systematic Review of Nonautologous Graft Materials Used in Human Tympanoplasty
13
European Annals of Otorhinolaryngology, Head and Neck Diseases. Childhood cholesteatoma
14
PubMed Central. Analysis of Otologic Injuries Due to Blast Trauma by Handmade Explosives