An ear canal infection is an inflammation of the skin lining the outer ear canal, the passage that runs from the outer ear to the eardrum; doctors call it otitis externa. It becomes more common in summer, during the swimming season, which is why it is widely known as “swimmer’s ear.” When noticed early, it can usually be brought under control within a short time with ear drops.<\/p>\n
In adults, the outer ear canal is a slightly curved passage about 2.5 centimeters (1 inch) long. Its outer part rests on cartilage and its inner part on bone, and it is lined with thin skin. Glands in this skin produce earwax (cerumen), a slightly acidic, oily protective layer. Earwax is not dirt but a natural shield against dust, bacteria and fungi.<\/p>\n
When this layer is disrupted, moisture and warmth help germs settle into the skin, and inflammation begins. Unlike a middle ear infection behind the eardrum, an outer ear infection stays outside the eardrum and usually hurts when the outside of the ear is touched.<\/p>\n
It can occur at any age, but risk is higher in frequent swimmers, people who regularly use cotton swabs in their ears, those who wear hearing aids or in-ear headphones for long periods, and people with skin conditions such as eczema. Most cases are caused by bacteria; fungi are a less common cause.<\/p>\n
Acute otitis externa starts within a few days and usually clears quickly with treatment. When symptoms last longer than three months or recur several times a year, it is called chronic otitis externa, in which itching, dryness and flaking outweigh pain.<\/p>\n
The infection starts when the skin’s protective barrier is damaged; Pseudomonas aeruginosa and Staphylococcus aureus are the most common bacteria involved. The main factors that break down this barrier are described below.<\/p>\n
Water entering the canal in a pool, the sea or a long shower washes away earwax and upsets the skin’s acid balance, and the wet, warm, dark environment favors germ growth. Poorly chlorinated pools and polluted seawater increase the risk, but even in clean water, an ear that stays damp can be enough to set the stage for infection.<\/p>\n
Using cotton swabs, hairpins, keys, matches or fingertips to clean the ear canal are the most common mistakes. They create tiny scratches that open the door to germs and often push wax deeper, turning it into a plug. The ear canal cleans itself; with chewing and talking, wax gradually moves outward.<\/p>\n
Eczema, psoriasis and seborrheic dermatitis cause itching and scratching in the canal, and allergic reactions to hair spray, hair dye or some shampoos can also trigger the problem. A narrow ear canal, dense hair in the canal, wearing hearing aids or earplugs for long periods, and diabetes are other important risk factors.<\/p>\n
Symptoms usually develop over one or two days and generally affect one ear. Mild itching and fullness may come first, but without treatment the pain can increase considerably. Common symptoms include:<\/p>\n
A fungal infection of the ear canal is called otomycosis, and it is most often caused by Aspergillus and Candida species. Long-term antibiotic drops, a hot and humid climate, frequent swimming and weakened immunity make it more likely. Intense itching and fullness are more prominent than pain. On examination, deposits that look like cotton or wet newspaper, sometimes with white, gray or black dots, may be seen in the canal. A fungal cause should always be considered when symptoms keep coming back or do not respond to antibacterial drops.<\/p>\n
Diagnosis is based mainly on the history and an ear examination. The doctor asks about recent swimming, ear cleaning habits, headphone use and previous ear problems, then examines the canal with a lighted instrument (otoscope) or under a microscope.<\/p>\n
The examination usually shows red, swollen canal skin with discharge or debris. The eardrum is checked to rule out a middle ear problem; if it has a hole, some drops may not be suitable and the treatment changes.<\/p>\n
For recurrent, long-lasting or treatment-resistant cases, a sample of the discharge may be sent for culture. This shows whether the cause is bacterial or fungal and which medication it responds to. In patients with diabetes or a weakened immune system, imaging such as a CT scan or MRI may be requested if the infection is suspected of spreading to the bone. Patients traveling from abroad are advised to bring the names of any drops or medicines they have already used, previous culture results and a list of their regular medications.<\/p>\n
The goals of treatment are to eliminate the germ, reduce inflammation and pain, and allow the ear canal’s natural protective layer to recover. Mild to moderate outer ear infections usually clear up with correctly used drops, often without the need for oral antibiotics.<\/p>\n
Discharge, debris and fungal clusters in the canal stop drops from reaching the skin, so the doctor gently cleans the canal under a microscope with fine suction tools. This step greatly improves the success of treatment and may be repeated at follow-up visits.<\/p>\n
The mainstay of treatment is antibiotic ear drops, often combined with a corticosteroid that reduces swelling and itching. The drops are usually used for about 7 days at the frequency the doctor recommends; if symptoms are slow to settle, the course may be extended, generally for no more than another week. Even if symptoms ease within a few days, completing the recommended course is important to prevent the infection from coming back.<\/p>\n
If the canal is very narrow because of swelling, a thin sponge-like wick may be placed in it so the drops can reach deeper. The drops are applied to the wick, which is removed within a few days as the swelling goes down.<\/p>\n
Acetaminophen (paracetamol) or ibuprofen can ease the pain. Oral antibiotics are chosen when the infection spreads beyond the ear canal to the skin of the face and neck, when there is a high fever, or when risk factors such as diabetes are present. If a boil (furuncle) has formed in a hair follicle in the outer part of the canal, a minor drainage procedure is sometimes needed.<\/p>\n
Antibiotic drops do not work for otomycosis and may even help the fungus grow. Treatment involves careful microscopic cleaning and antifungal drops or creams. Fungal infections can take longer to clear and tend to recur, so follow-up visits matter.<\/p>\n
With proper treatment, the infection usually settles within a week to ten days without lasting damage. If left untreated or recurring often, it can lead to chronic otitis externa, with thickened, narrowed canal skin and persistent itching.<\/p>\n
A rare but serious complication is necrotizing (malignant) otitis externa, in which the infection spreads to the bone surrounding the ear canal and the base of the skull. It occurs mainly in older people with poorly controlled diabetes and in people with weakened immunity. The word “malignant” here does not mean cancer; it describes the aggressive course of the disease. It is managed with early diagnosis and long-term antibiotic treatment.<\/p>\n
See an ear, nose and throat (ENT) specialist without delay if you have:<\/p>\n
People who swim often can use silicone earplugs. After swimming or bathing, tilt your head to each side to let water drain out and gently dry the outer ear with a towel. If needed, a hair dryer can be used on the lowest heat setting, held well away from the ear. For people with recurrent problems whose eardrum is intact, protective acidifying drops recommended by a doctor may be helpful after swimming.<\/p>\n
Very mild cases may settle if the ear is kept dry, but most need drops. An untreated infection can worsen, block the canal or become chronic, so pain or discharge is a reason to have your ear examined.<\/p>\n
No, it does not spread from person to person. Still, sharing earphones, earplugs or hearing aids is not recommended for hygiene reasons.<\/p>\n
Outer ear pain increases when the ear is pulled or pressed and often starts after swimming. A middle ear infection usually follows a cold, and touching the ear does not worsen the pain. The definitive distinction is made by examining the eardrum.<\/p>\n
Swimming is not recommended during treatment, because water weakens the drops and softens the healing skin. Once symptoms have resolved and a follow-up check has been done, you can return to swimming, with earplugs if needed.<\/p>\n
The most common reasons for recurrence are ear cleaning habits, frequent contact with water, an overlooked fungal infection and underlying skin conditions such as eczema. If these are not addressed, the inflammation may return. A culture and a detailed examination help choose the right treatment.<\/p>\n
Patients with ear pain, itching or discharge can be evaluated with a microscopic ear examination and ear canal cleaning by ENT specialist Op. Dr. Tayfun Demirel at the practice in Ata\u015fehir, Istanbul. Treatment is planned individually after determining whether the infection is bacterial or fungal, and advice on preventing recurrence is also provided. You can contact the clinic through its communication channels for an appointment and information. This article is for informational purposes only; an in-person examination is required for diagnosis and treatment.<\/p>\n","protected":false},"excerpt":{"rendered":"
An ear canal infection is an inflammation of the skin lining the outer ear canal, the passage that runs from the outer ear to the eardrum; doctors call it otitis externa. It becomes more common in summer, during the swimming season, which is why it is widely known as “swimmer’s ear.” When noticed early, it […]<\/p>\n","protected":false},"author":1,"featured_media":1267,"comment_status":"closed","ping_status":"closed","sticky":false,"template":"","format":"standard","meta":{"footnotes":""},"categories":[33],"tags":[],"class_list":["post-1340","post","type-post","status-publish","format-standard","has-post-thumbnail","hentry","category-treatments"],"_links":{"self":[{"href":"https:\/\/tayfundemirel.com\/en\/wp-json\/wp\/v2\/posts\/1340","targetHints":{"allow":["GET"]}}],"collection":[{"href":"https:\/\/tayfundemirel.com\/en\/wp-json\/wp\/v2\/posts"}],"about":[{"href":"https:\/\/tayfundemirel.com\/en\/wp-json\/wp\/v2\/types\/post"}],"author":[{"embeddable":true,"href":"https:\/\/tayfundemirel.com\/en\/wp-json\/wp\/v2\/users\/1"}],"replies":[{"embeddable":true,"href":"https:\/\/tayfundemirel.com\/en\/wp-json\/wp\/v2\/comments?post=1340"}],"version-history":[{"count":1,"href":"https:\/\/tayfundemirel.com\/en\/wp-json\/wp\/v2\/posts\/1340\/revisions"}],"predecessor-version":[{"id":2168,"href":"https:\/\/tayfundemirel.com\/en\/wp-json\/wp\/v2\/posts\/1340\/revisions\/2168"}],"wp:featuredmedia":[{"embeddable":true,"href":"https:\/\/tayfundemirel.com\/en\/wp-json\/wp\/v2\/media\/1267"}],"wp:attachment":[{"href":"https:\/\/tayfundemirel.com\/en\/wp-json\/wp\/v2\/media?parent=1340"}],"wp:term":[{"taxonomy":"category","embeddable":true,"href":"https:\/\/tayfundemirel.com\/en\/wp-json\/wp\/v2\/categories?post=1340"},{"taxonomy":"post_tag","embeddable":true,"href":"https:\/\/tayfundemirel.com\/en\/wp-json\/wp\/v2\/tags?post=1340"}],"curies":[{"name":"wp","href":"https:\/\/api.w.org\/{rel}","templated":true}]}}