
The human ear is a complex organ, and while it may not seem like a place that gets dirty easily, it can be a breeding ground for bacteria, yeast, and fungi—all of which thrive in warm, moist environments. This can lead to an unpleasant odour, which some may describe as resembling cheese. This issue is more common than you think and can be caused by a variety of factors, including poor hygiene, infections, or even medical conditions. In some cases, it may be related to piercings or jewellery, which can introduce bacteria and dirt, leading to infections and unpleasant odours. It is important to identify the root cause to seek appropriate treatment and maintain good ear health.
| Characteristics | Values |
|---|---|
| Poor hygiene | Neglecting to wash behind the ears due to the perception that the area does not get dirty easily |
| Infections | Yeast, bacterial, or fungal infections |
| Earring holes | Accumulation of sebum, dead skin cells, and bacteria |
| Foreign objects | Insects or objects stuck in the ear |
| Lifestyle factors | Smoking |
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What You'll Learn

Poor hygiene
To maintain proper ear hygiene and prevent cheesy-smelling ears, it is important to clean your ears regularly. This includes scrubbing the area behind and inside the ears with soap and water, especially after engaging in physical activities that cause sweating. It is also crucial to dry the area thoroughly after cleaning to inhibit the growth of bacteria and fungi, which favor warm, moist environments.
For individuals with ear piercings, proper hygiene and care of the piercings and jewelry are essential. Regular cleaning of the jewelry with antibacterial soap or cleanser can help prevent the buildup of bacteria, which can cause foul odors. Additionally, it is recommended to follow the piercer's aftercare instructions and avoid removing new posts until at least six weeks after the piercing.
In some cases, a cheesy smell may be indicative of an infection or other medical condition. This is often accompanied by other symptoms such as pain, discharge, fever, or swollen lymph nodes. If you experience any of these additional symptoms, it is important to consult a doctor for proper diagnosis and treatment.
Furthermore, certain lifestyle factors, such as smoking, can worsen the problem of poor ear hygiene and contribute to the cheesy smell. It is important to address these factors and maintain consistent ear hygiene to improve ear health and eliminate unpleasant odors.
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Yeast infections
A cheesy smell emanating from the ear can be indicative of a yeast infection. Yeast infections, also known as candidiasis, occur when the fungus Candida albicans grows in warm and moist areas. This creates an ideal environment for yeast to proliferate, particularly in individuals who sweat profusely or do not adequately clean the area behind their ears.
The outermost part of the ear canal is the most commonly affected area by yeast infections. This condition is known as otomycosis, which is caused by fungi such as Aspergillus and Candida. Aspergillus accounts for approximately 90% of fungal ear infections, while Candida is responsible for the remaining cases.
The symptoms of a fungal ear infection may include yellow or black dots, fuzzy white patches, or a thick and creamy white discharge from the ear. These infections rarely resolve without treatment and can sometimes spread deep into the ear or even into the bone. Therefore, it is essential to seek medical attention if you suspect a yeast infection.
To prevent yeast infections, it is crucial to maintain good hygiene, especially with ear piercings, as they can serve as entry points for bacteria and fungi. Additionally, avoiding hair and skin products that contribute to the odour can help mitigate the risk of infection.
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Foreign objects in the ear
While foreign objects in the ear are more common in children, it can happen to anyone. Foreign bodies in the ear refer to any object that is placed in the ear that is not meant to be there and could cause harm without immediate medical attention. Objects can be placed in the ear lobe or the ear canal. Objects in the ear lobe are usually earrings, which can get stuck due to infection or incorrect insertion. Objects in the ear canal can be anything that a person can push into their ear, such as food or insects.
To prevent foreign objects from entering the ear, it is important to be mindful of children's curiosity and boredom, which are common reasons for object insertion. Parents and caregivers should also be aware of the potential dangers of placing objects in the ear and ensure that children are supervised when playing with small objects. Additionally, regular ear hygiene is important, as substances can build up along the hairline and behind the ears, leading to unpleasant smells.
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Medical conditions
Poor hygiene is one of the most common causes of a cheese-like smell behind the ears. The area behind the ears is often neglected during showering as it is not a prominent area of the body and does not seem like a place that sweats or gets dirty easily. However, substances can build up along the hairline and behind the ears, leading to unpleasant smells. These substances include sweat, sebum, dead skin cells, and bacteria, which can result in infections.
Infections are a common medical condition that can cause a cheesy smell behind the ears. This includes ear infections, such as otitis externa, which can be caused by moisture retention in the ear after swimming, creating an environment for bacteria to thrive. Infections can also be caused by foreign objects or insects stuck in the ear, resulting in pain, hearing loss, and a foul-smelling discharge. Additionally, yeast infections can occur in warm and moist areas, affecting individuals who sweat profusely or do not clean behind their ears regularly. Yeast infections tend to cause itching and produce a beer- or bread-like smell.
Another medical condition that can contribute to the cheesy smell is sinus infections. The condition causes scaly, oily flakes that can trap sweat and odour, leading to a pungent smell. Eczema is also mentioned as a potential factor, although it is not clear how it contributes to the cheesy odour.
Furthermore, individuals with stretched earlobes or ear piercings may experience unpleasant odours if the piercings are not properly cleaned and maintained. The accumulation of bacteria, sebum, and dead skin cells around the piercing can result in infections and bad odours. Using antibacterial soap or cleanser to clean jewellery and piercings can help prevent the buildup of bacteria and subsequent infections.
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Earring holes
The area behind the ears is often neglected during showering as it is not an obvious place that sweats or gets dirty easily. However, improper washing is the main cause of odours in the area. The accumulation of sebum, dead skin cells, bacteria, and other substances that build up on the skin's surface can cause an unpleasant smell. This is more common with people who sweat a lot or those who do not regularly clean the area behind their ears.
Infections are also a common cause of cheesy-smelling ears. Bacteria, yeast, and fungi are often to blame as they thrive in warm and moist environments. Ear infections can cause a cheesy smell, even if they were previously treated. Other infections like otitis externa can also be the culprit. Yeast infections, which tend to itch and may produce a beer- or bread-like smell, can develop due to excessive sweating or inadequate cleaning of the area behind the ears.
Smelly earwax could be another reason for the cheesy odour. This can be caused by various factors, including poor hygiene, infections, and medical conditions such as sinus infections or eczema. Lifestyle habits like smoking can also worsen the problem. Foreign objects or insects stuck in the ear can also lead to smelly earwax.
For those with pierced ears, the holes can emit an unpleasant smell if not properly cared for. The most common cause is bacterial buildup, which can result in infection. Using antibacterial soap or cleanser to clean jewellery will help kill any bacteria that may be present. It is important to avoid lotions when caring for pierced ears, as they can trap dirt and create an ideal environment for bacteria to grow.
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Frequently asked questions
Poor hygiene is one of the most common causes of a cheese smell behind the ears. The area behind the ears is often neglected during showering because it does not seem like a place that sweats or gets dirty easily. However, substances can build up along the hairline and behind the ears, leading to unpleasant smells.
To get rid of the cheese smell, start by washing the area with warm water and mild soap, then dry thoroughly. Apply diluted apple cider vinegar or tea tree oil with a cotton ball to fight odour-causing bacteria.
If the smell is accompanied by symptoms like pain, itchiness, fever, or swollen lymph nodes, see a doctor as soon as possible. These symptoms could indicate an infection or underlying medical condition that requires treatment.

























