Procedures: Transtympanic Steroid Injection
Transtympanic (intratympanic) steroid injection is an in-office procedure that delivers corticosteroid medication directly to the inner ear; this page explains how the procedure is performed and what to expect.
What Transtympanic (Intratympanic) Steroid Injection Is
A transtympanic steroid injection, also called an intratympanic steroid injection, is an office procedure in which a small amount of anti-inflammatory steroid medication is injected through the eardrum into the middle ear space. Once in the middle ear, the medication is absorbed through a thin membrane called the round window into the inner ear, where it acts on hearing and balance function.
This approach delivers a high concentration of steroid directly to the inner ear while keeping the amount reaching the rest of the body very low. This avoids many of the effects that can come with steroid pills or intravenous steroids, such as effects on blood sugar, mood, sleep, appetite, and weight.
Why the Procedure Might Be Undertaken
Transtympanic steroid injection is most often used for two inner-ear conditions. In sudden sensorineural hearing loss, a rapid, unexplained loss of hearing in one ear, injection may be used as an initial treatment or as a salvage treatment when steroid pills taken by mouth have not fully worked. In Ménière’s disease, a disorder causing episodes of vertigo, hearing changes, ringing, and ear pressure, injection is typically considered when medications and lifestyle measures have not adequately controlled symptoms.
The Medications Used
The steroids most often used are dexamethasone or methylprednisolone, both corticosteroids with strong anti-inflammatory effects. The concentration and specific medication chosen vary by clinic, as there is no single standardized formula. A local anesthetic is also used to numb the eardrum before the injection.
How the Injection Is Performed
The procedure is performed in the clinic and typically takes only a few minutes of actual injection time, although the full visit is longer. A typical sequence includes:
Lying back with the head tilted toward the side opposite the affected ear, so that ear faces upward.
Examination of the ear canal and eardrum, often with a microscope or endoscope for a magnified view.
Numbing of the eardrum with a local anesthetic, which is what prevents pain during the injection.
Passage of a very thin needle through the eardrum, with slow injection of the steroid solution into the middle ear space.
A rest period afterward, usually about 30 minutes, spent lying in the same head-tilted position and avoiding talking, swallowing, and head movement so the medication can be absorbed.
No incision is made, and the small needle opening in the eardrum typically heals on its own.
What to Expect During and After the Injection
Little or no pain is typically felt during the injection because the eardrum has been numbed beforehand; a brief sensation of pressure or fullness is common.
A temporary spinning or dizzy sensation can occur as the medication, which is cooler than body temperature, enters the middle ear; this usually settles within minutes.
A sense of ear fullness, muffled hearing, or fluid in the ear afterward is common, because liquid remains in the middle ear until it is absorbed or drains.
A bitter or unusual taste may be noticed as a small amount of medication drains through the natural tube connecting the ear to the throat.
Driving home and returning to normal activity the same day are generally possible. Keeping the ear dry for a period afterward is often advised.
Number and Schedule of Injections
There is no single universal protocol, and the schedule differs by condition and by treating clinician. For sudden hearing loss, a common approach is a short course of about three to five injections, often spaced roughly one week apart; three injections is one of the most widely used regimens, and the course may be shortened if hearing recovers. For Ménière’s disease, treatment may range from a single injection to a short series of two or three, with injections repeated later if symptoms return. The exact number and spacing are tailored to the individual and to how symptoms or hearing respond.
Expected Effects
For sudden hearing loss, steroid injection improves hearing in a portion of patients, with studies commonly reporting meaningful recovery in roughly one-third to somewhat under half of those treated; not everyone responds, and some hearing loss may remain permanent despite treatment. For Ménière’s disease, the main goal is better control of vertigo episodes, with results varying from person to person and more than one treatment course sometimes needed.
Possible Risks and Side Effects
Serious complications are uncommon, and most side effects are temporary. Possible effects include:
Pain at the injection site, more likely if the numbing is incomplete
Temporary dizziness or vertigo during or shortly after the injection
Ear fullness or muffled hearing from fluid in the middle ear
A burning sensation in the ear, reported more often with methylprednisolone
A bitter taste as medication drains to the throat
Ear infection, which is infrequent
A persistent hole in the eardrum that does not heal on its own, which is uncommon but can require further treatment or a repair procedure
Ringing in the ear or worsening of hearing, reported rarely
Because the amount of steroid reaching the rest of the body is small, the body-wide effects associated with steroid pills, such as changes in blood sugar, mood, sleep, or weight, are much less likely with this approach. Prompt contact with the treating clinician is appropriate for severe or lasting ear pain, fever, drainage from the ear, dizziness that does not improve, or hearing that suddenly worsens.
Key Points
Transtympanic (intratympanic) steroid injection delivers corticosteroid medication directly to the middle and inner ear through the eardrum.
It is used mainly for sudden sensorineural hearing loss and Ménière’s disease when standard measures have not been sufficient.
The injection is brief, performed in the office under local anesthesia, and typically followed by a short rest period.
A course of several injections is common, though the number and schedule vary by condition and clinician.
Most side effects are temporary; the amount of steroid reaching the rest of the body is much lower than with steroid pills or intravenous steroids.
This information is general patient education and does not represent a recommendation of specific care. See the site disclaimer for more information, and discuss individual circumstances with a treating physician.