12 doctors weighed in:

What are the causes of ear infections?

12 doctors weighed in
6 doctors agree

In brief: Ears are connected..

...To the nose on the inside, with a tunnel called the eustacian tube.
Anything that happens in the nose, can affect the ear.

In brief: Ears are connected..

...To the nose on the inside, with a tunnel called the eustacian tube.
Anything that happens in the nose, can affect the ear.
Dr. Anatoly Belilovsky
Dr. Anatoly Belilovsky
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1 comment
Dr. Brian Affleck
The most common cause of ear infection is that the Eustachian tube isn't working. This results in a negative pressure, like a small vacuum. The negative pressure can be strong enough to pull fluid from the delicate tissues lining the middle ear. Once there is fluid, bacteria from the nose can then infect it. There are several reasons for the Eustachian tube to not work, including colds/allergy
Dr. Laura Webb
Pediatrics
3 doctors agree

In brief: Bacteria or viruses

Ear infections are like other illnesses we get; they are caused by bacteria or viruses that get into our system and cause use to get sick.
If your doctor believes it is a bacteria causing the ear infection antibiotics may be prescribed to help, although if it is caused by a virus antibiotics will not help, only time.

In brief: Bacteria or viruses

Ear infections are like other illnesses we get; they are caused by bacteria or viruses that get into our system and cause use to get sick.
If your doctor believes it is a bacteria causing the ear infection antibiotics may be prescribed to help, although if it is caused by a virus antibiotics will not help, only time.
Dr. Laura Webb
Dr. Laura Webb
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Dr. David Martin
ENT - Head & Neck Surgery
1 doctor agrees

In brief: Ear infections

Most ear infections, or otitis media, occur in children.
Their eustachian tubes have not fully matured yet, and as a result, they are predisposed to ear infections. They are also exposed to more infections than older individuals.

In brief: Ear infections

Most ear infections, or otitis media, occur in children.
Their eustachian tubes have not fully matured yet, and as a result, they are predisposed to ear infections. They are also exposed to more infections than older individuals.
Dr. David Martin
Dr. David Martin
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Dr. Arthur Torre
Pediatrics - Allergy & Asthma
1 doctor agrees

In brief: Virus or bacteria

Since ear infections are "infections" there must be an infecting agent.
Typically the child begins with a viral URI (cold) which may or may not involve the middle ear. After a few days, bacteria that normally inhabit the nose or throat may begin to multiply in the middle ear, causing the infection that is often treated with antibiotics.

In brief: Virus or bacteria

Since ear infections are "infections" there must be an infecting agent.
Typically the child begins with a viral URI (cold) which may or may not involve the middle ear. After a few days, bacteria that normally inhabit the nose or throat may begin to multiply in the middle ear, causing the infection that is often treated with antibiotics.
Dr. Arthur Torre
Dr. Arthur Torre
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