Why You Might Be Getting Ear Infections as an Adult

Ear infections are more common in young children due to their still-developing ear anatomy and immune systems. But they can also show up later in life — approximately 20% of cases occur in patients over age 15.

Are you living with ear pain and pressure? Let our team at Bridgewater Primary Care & Cardiology, LLC help you. We offer comprehensive sick visits to evaluate your symptoms and determine the most effective treatment plan.

Below, we look at why ear infections happen after childhood and what your symptoms might be trying to tell you.

What is an ear infection?

Ear infections typically develop when viruses or bacteria cause inflammation inside the ear. It can occur in any part of the ear, including the outer canal (swimmer’s ear), the middle ear, and less often, the inner ear. 

Middle and outer ear infections typically cause symptoms like ear pain, pressure, fluid drainage, and muffled hearing, sometimes accompanied by a fever. Inner ear infections may cause sudden hearing loss, tinnitus (ringing in your ears), dizziness, or balance issues.

Why do adults get ear infections?

Though anyone can develop an ear infection at any age, certain factors can increase your risk. Here are some common reasons they happen in adults:

Respiratory infections and allergies

Illnesses and allergies often trigger inflammation in the nasal passages, which can block the Eustachian tubes — the small channels that normally drain fluid from your middle ear. When fluid becomes trapped, it creates an environment where bacteria and viruses thrive, resulting in a middle-ear infection (acute otitis media).

Excess moisture

Getting water in your ears during a quick swim or shower is usually harmless, but frequent or prolonged exposure to moisture may lead to an outer ear infection, also known as swimmer’s ear. 

In-ear devices

Devices that sit in the ear canal, such as in-ear headphones, earplugs, and hearing aids, can trap moisture and limit airflow when worn for extended periods. Without proper cleaning, they can also introduce bacteria into the ear.

Tobacco use and second-hand smoke

Smoking, vaping, and exposure to second-hand smoke can irritate the tissues that line your respiratory tract and Eustachian tubes. Over time, this chronic irritation damages the tiny, hair-like structures (cilia) that help filter out fluid and debris, making smokers — and those around them — more vulnerable to ear infections.

Chronic health conditions

Underlying medical issues like Type 2 diabetes compromise your immune response and reduce circulation to the small blood vessels in your ear. This makes it more difficult for your body to fight off everyday germs, so minor irritation can quickly turn into an infection.

When to seek a professional evaluation

With rest and home care, mild ear infections often resolve on their own. However, you should schedule an appointment if your symptoms last longer than two or three days, or if you experience frequent, recurring infections.

Seek immediate treatment if you notice any of these warning signs alongside ear pain or pressure, as it could indicate a more serious medical issue:

• A high fever, headache, and/or stiff neck
• Swelling, tenderness, or redness behind or around the ear
• Severe loss of balance or facial twitching
• Sudden hearing loss
• Drainage of blood and/or pus from the ear canal

Leaving an ear infection untreated can cause unnecessary pain and risk long-term damage to your hearing. Are you experiencing persistent ear pain or hearing changes? Contact our team at Bridgewater Primary Care & Cardiology, LLC, in West Bridgewater, Massachusetts, to schedule an appointment for the care you need.