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Bullous Myringitis - Causes, Diagnosis, and Treatment

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Due to certain infections, small fluid-filled bumps commonly appear on the skin but may also occur on the eardrum. Read the article to know more about it.

Written by

Dr. Gayathri P

Medically reviewed by

Dr. Akshay. B. K.

Published At December 9, 2022
Reviewed AtFebruary 19, 2024

Introduction:

Ear - The sensory organ aids us in hearing and provides a sense of balance. It consists of the outer, middle, and inner portions. The eardrum (tympanic membrane) is between the exterior and the middle ear. Our eardrum is responsible for transmitting external sound into vibrations that enter the inner ear, thus aiding hearing. Therefore, any defect or abnormality in the eardrum leads to hearing disturbances. This article illustrates the infectious condition of the eardrum in detail.

What Is Bullous Myringitis?

Bullous myringitis is an infectious condition that leads to the formation of fluid-filled blisters on the eardrum. The infection does not affect the middle or outer ear. The incidence is high during the winter season, and there is a chance of the disease spreading to the middle ear. Children between 2 to 8 years of age, especially boys, are more commonly affected. However, studies show the occurrence of bullous myringitis in infants below two years of age.

What Causes Bullous Myringitis?

Bullous myringitis arises due to viral (most common) or bacterial infections. They are listed below:

1) Virus -

2) Bacteria -

  • Streptococcus pneumoniae.

  • Staphylococcus aureus.

  • Mycoplasma.

  • Streptococcus group A.

  • Moraxella catarrhalis.

3) Rarely, fungal species also cause bullous myringitis.

4) In a few instances, the chemical irritation of the middle ear may lead to an eardrum infection.

How Does Bullous Myringitis Appear?

The classic features of infectious myringitis are as follows:

  • Sudden ear pain.

  • The ear pain is sharp or sometimes dull and may or may not extend to the surrounding structures (jaw joint, back of the head, or face).

  • Fluid drainage from the ear if the blister breaks.

In young children, the following symptoms are noted -

  • Disturbed sleep.

  • Increased cry.

  • The child may continuously rub their ear.

  • Lack of proper feeding.

  • Fever, runny nose, and cough may also occur.

What Are the Signs That the Doctor Looks For?

The doctor shines a light over the tympanic membrane during the ear examination to observe the following signs of bullous myringitis:

  • The red and thickened appearance of the eardrum.

  • Usually, the normal eardrum reflects the light passed on it; in the case of bullous myringitis, there is a lack of light reflex.

  • The doctor notes the presence of fluid-filled blisters on the eardrum.

  • Loss of hearing in the affected ear may occur.

How Long Does It Last?

The symptoms, as mentioned above, develop suddenly and may last for one to two days. However, several studies show that with proper treatment, the ear pain resolves within three days, and the fluid draining from the ear may take five days to a few weeks to resolve. The mild hearing loss also subsides as soon as the infection heals.

What Could Be the Risk Factors?

Those who already have an upper respiratory tract infection, such as the flu or cold, are more likely to develop bullous myringitis. This is due to the possibility that these infections will irritate the eustachian tubes or prevent them from adequately draining fluid. Other risk factors include:

  • Cold climate.

  • Pacifier use.

  • Recent ear infection.

  • Family history of ear infection.

  • Climate changes.

  • Exposure to smoke.

How Is Bullous Myringitis Diagnosed?

  • Physical Examination - An otoscope is used to visualize the eardrum and the ear canal and identify abnormalities. The ENT (ear, nose, and throat) specialist uses the otoscope that shines light over the tympanic membrane and detects the presence of blisters in case of bullous myringitis.

  • Laboratory Investigations - The doctor may order blood and urine analysis, urine culture, and cerebrospinal fluid (CSF) analysis in babies below 28 days of age who show fever and bullous myringitis. The American Academy of Pediatrics (AAP) has approved guidelines for evaluating complete workups in febrile babies (having fever) to diagnose other congenital or systemic disorders.

  • Imaging Test - It is not necessary to diagnose infectious myringitis; however, its complications need to be diagnosed with either computed tomography (CT) or magnetic resonance imaging (MRI).

  • Tympanocentesis - The ENT specialist uses a small needle to puncture the tympanic membrane to remove fluids and relieve pain. It is rarely followed, but it is done in severely affected children.

What Are the Similar Conditions?

  • Acute Otitis Media - It is an infectious condition of the middle ear that is behind the eardrum. It is more common in infants and may also affect adults. The symptoms look similar to those of bullous myringitis.

  • Otitis Media With Effusion - It refers to fluid accumulation in the middle ear (behind the tympanic membrane). It provides a sense of fullness in the ear.

What Are the Complications?

  • Hearing Loss - If bullous myringitis is left untreated, it may lead to complete deafness.

  • Labyrinthitis - It is the infection of the inner ear caused by viruses or bacteria. In addition, certain factors like colds, allergies, alcohol, and certain drugs trigger the swelling and infection of the internal ear parts. As a result, the affected individual may experience hearing loss and loss of balance.

  • Mastoiditis - The infection of the tympanic membrane may spread to the part of the skull (mastoid) behind the ear and causes ear pain, redness, discharge from the ear, hearing loss, etc.

  • Meningitis - Rarely does the untreated viral or bacterial ear infection extend to the coverings of the brain (meninges) to cause severe illness. It can occur both in infants and adults.

How to Treat Bullous Myringitis?

Immediate management of bullous myringitis is essential to control its recurrence. It includes:

  • Antibiotic Therapy - Amoxicillin is the most preferred drug, as suggested by AAP. The combination of Amoxicillin and Clavulanic acid is prescribed in individuals who had a recent course (30 days) of Amoxicillin. In the case of Penicillin allergy, the doctor might suggest Azithromycin, Cefpodoxime, etc.

  • Steroid Therapy - Several studies prove that the addition of steroids to antibiotic therapy controls common hearing loss. However, the use of steroids in patients with bullous myringitis has been discontinued.

  • Myringotomy - In severe cases, the specialist may create a hole in the eardrum to drain the accumulated fluid and pus, referred to as myringotomy.

How to Prevent Bullous Myringitis?

Preventing colds and other infections is the best way to prevent bullous myringitis. Several effective methods to prevent these infections include:

  • Avoid people who have colds or other infectious diseases as much as possible.

  • Hand hygiene is important.

  • Try to keep the corners of your mouth, nose, and eyes free.

  • Take care by eating well and getting enough sleep.

  • Particularly if someone in the home has recently had a cold, keep the surfaces in the house clean.

Conclusion

Bullous myringitis is a painful condition and rarely causes severe complications. An early diagnosis is essential to provide relief and avoid hearing loss. In addition, several medical devices are available to identify the degree and severity of hearing loss. Therefore, early treatment is necessary to improve well-being.

Frequently Asked Questions

1.

Can Exhibitionism Be Considered a Disorder?

Exhibitionism is a paraphilic disorder in the DSM-5, characterized by persistent sexual interests or urges involving exposing one's genitals to strangers. It can cause significant impairment in social, occupational, or other important areas of functioning.

2.

How to Recognize if Someone Is an Exhibitionist?

Individuals experience strong and repeated sexual arousal by either exposing their genitals or being watched by others during sexual activities, manifested through intense desires, fantasies, or actions.

3.

How to Get Free of Exhibitionism?

Treatment options include different approaches, such as psychotherapy, support groups, and medication. One medication used to treat depression is selective serotonin reuptake inhibitors (SSRIs).

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Narcissists can be categorized into three groups - exhibitionist, closet, and toxic - each exhibit a distinct relationship pattern. Exhibitionist narcissists openly belittle others, closet narcissists tend to belittle themselves, and toxic narcissists derive pleasure from causing discomfort to others.

5.

Can Bullous Myringitis Cause Serious Problems?

If bullous myringitis is not treated properly, the bacteria or virus responsible for it may spread to the bones surrounding the ear, which is a rare occurrence. If the infection spread is not treated, it can result in deafness, meningitis, or sepsis.

6.

What Is the Duration of Bullous Myringitis?

Most individuals experience relief from their symptoms within 3-5 days, with about 95% of people reporting improvement during this period. However, it may take up to five weeks to complete the infection in the ear.

7.

Is Bullous Myringitis Painful?

Bullous Myringitis is an eardrum infection that typically starts with a cold and causes intense ear pain, fever, and hearing loss. The eardrum may show a clear or reddish blister upon examination. This condition is known to be extremely painful.

8.

What Is Bullous Myringitis?

Bullous myringitis, or BM, is a frequent infection that causes blister-like formations on the eardrum without impacting the external or middle ear contents.

9.

Can Bullous Myringitis Spread?

If bullous myringitis is not treated properly, there is a small chance that the bacteria or virus responsible for the infection can spread to the surrounding earbones. If the infection is not addressed, it may result in serious health complications such as deafness, meningitis, or sepsis.

10.

Can Bullous Myringitis Affect Both Ears?

Bullous myringitis can affect one or both ears. In some cases, it may be bilateral, meaning it affects both ears simultaneously, while in other cases, it may only affect one ear. The severity of the infection can also vary from person to person.

11.

What Causes Bullous?

Bullous myringitis is commonly caused by a viral or bacterial infection, such as the same viruses or bacteria that cause middle ear infections or upper respiratory infections. The most common causative organisms include Mycoplasma pneumoniae, Streptococcus pneumoniae, and Haemophilus influenzae.

12.

Can Bullous Get Treated?

Bullous pemphigoid may resolve on its own, but it can persist for a few years. Treatment options can aid in skin healing, prevent new blisters from forming, and minimize the risk of infection. Topical steroid creams are the primary treatment for this condition.

13.

What Is the Medical Term for Bullous?

Bullous is not a medical term on its own, but it is commonly used as a descriptor to refer to conditions characterized by the presence of fluid-filled blisters (bullae) on the skin or mucous membranes. Bullous pemphigoid is an example of a condition that is characterized by the formation of bullae.

14.

What Causes Small Fluid-Filled Bumps?

Various factors, such as allergic reactions, insect bites, skin infections, and certain medical conditions like herpes or eczema, can cause small fluid-filled bumps. It is best to consult a healthcare professional to determine the underlying cause and appropriate treatment.

15.

What Is a Fluid-Filled Bump?

A bump filled with fluid is a small blister or vesicle that contains clear or cloudy liquid. It can be caused by various conditions such as friction, burns, allergic reactions, infections, or autoimmune disorders.
Source Article IclonSourcesSource Article Arrow
Dr. Akshay. B. K.
Dr. Akshay. B. K.

Otolaryngology (E.N.T)

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