
Wounds can emit odours for a variety of reasons, and the smell of cheese is not uncommon. This phenomenon can be attributed to the bacterial breakdown of dead tissue, trapped drainage, or certain dressings that trap odour-causing bacteria. While a slight wound odour is normal during the healing process, a strong or foul smell could indicate an infection. It is important to be vigilant for other signs of infection, such as increased redness, swelling, pain, fever, or a general feeling of unwellness. If you experience these symptoms, it is crucial to seek medical attention promptly.
| Characteristics | Values |
|---|---|
| Cause | Infection, trapped drainage, certain dressings, bacterial breakdown of dead tissue, underlying medical conditions |
| Treatment | Antibiotics, special dressings, sugar-based dressings, honey |
| Impact | Social isolation, depression, loss of appetite, poor sleep, psychological discomfort |
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What You'll Learn

Infection
A wound that smells like cheese could be a sign of infection. While a slight wound odour can be normal during the healing process, a strong or foul smell could indicate an infection. This is because the odour is often caused by the bacterial breakdown of dead tissue. As your body heals a wound, white blood cells clean up damaged tissues and bacteria, and this breakdown process can release byproducts with a faint odour. If the wound is not cleaned and the drainage is trapped, it can create a breeding ground for bacteria, leading to a stronger smell.
In the case of an infected wound, you may be prescribed antibiotics and special dressings or treatments. Some dressings are specifically designed to be antimicrobial or antibacterial, containing ingredients such as silver, cadexomer iodine, gentian violet, methylene blue, or medical honey. Oxygen-diffusing dressings can also aid in fighting infection by increasing oxygen levels, stimulating the body's ability to kill bacteria, and cleaning the wound.
There are also natural remedies that can help promote wound healing and reduce odour, such as manuka honey, which has powerful antibiotic properties. Sugar has also been used to reduce wound odours and prevent bacterial growth by inhibiting amino acid breakdown through osmosis. However, it is important to note that sugar is rapidly diluted and may require frequent reapplication. While these options may provide some relief, it is always best to consult a healthcare professional for proper diagnosis and treatment.
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Gangrene
A wound that smells like cheese could be a sign of gangrene, a serious and potentially life-threatening condition that requires immediate medical attention. Gangrene is a form of tissue death, often caused by a lack of blood flow, and it has a distinct, putrid odour. Other signs of gangrene include discoloured skin, such as dark red, yellow, brown, or black, and the presence of a hard, dry scab called eschar.
While a slight wound odour is normal during the healing process, a strong or foul smell could indicate an infection or the presence of bacteria. It is important to seek medical attention if you experience any signs of infection, such as increased redness, swelling, pain, fever, or drainage of pus. Left untreated, malodorous wounds can significantly impact a person's quality of life, leading to social isolation, depression, loss of appetite, and poor sleep.
To manage wound odour, it is crucial to address the underlying cause, such as preventing or treating infections with antibiotics and special dressings. Some dressings are designed with antimicrobial properties, containing ingredients like silver, iodine, or medical honey, which has powerful antibiotic properties. Oxygen-diffusing dressings can also aid in fighting infection by stimulating the body's natural ability to kill bacteria and clean the wound.
In the case of burn patients, sugar-based dressings have been found to effectively reduce wound odour by inhibiting bacterial growth. Sugar dressings are cost-effective, easy to apply, and can be combined with petroleum jelly to prevent dilution and ensure prolonged effectiveness. While these treatments can help manage wound odour, preventing infections and promoting proper wound healing are the most effective ways to avoid unpleasant smells.
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Underlying medical conditions
A wound that smells like cheese could be a sign of an underlying medical condition. While a slight wound odour can be normal during the healing process, a strong or foul smell could indicate an infection. If you are experiencing a strong cheese-like odour, it is important to seek medical attention promptly.
Some underlying medical conditions that can cause impaired wound healing and contribute to a foul fragrance include diabetes. Diabetes can affect the body's ability to heal wounds, leading to prolonged healing times and an increased risk of infection. The high blood glucose levels associated with diabetes can provide a favourable environment for bacteria to thrive, resulting in a potential source of the odour.
Another potential underlying condition is gangrene, which is the death of tissue often caused by a lack of blood flow. Gangrene has a distinct, putrid odour that can be a warning sign of the condition. If you suspect gangrene, it is crucial to seek immediate medical attention as it can lead to serious complications if left untreated.
In some cases, a wound that smells like cheese could be indicative of a bacterial infection. Certain species of bacteria produce specific types of odours. For example, a foul odour is typically associated with gram-negative bacteria, while a fruity odour may indicate the presence of Staphylococcus aureus. Additionally, anaerobic and aerobic bacteria can contribute to the release of unpleasant odours from wounds, with anaerobic bacteria being the major producer of malodour.
It is important to note that a wound odour can also be influenced by factors such as trapped drainage, certain dressings, and the natural breakdown of dead tissue by white blood cells during the healing process. However, if you are experiencing a strong cheese-like odour, it is always best to consult a healthcare professional for proper diagnosis and treatment.
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Bacterial breakdown of dead tissue
A wound that smells like cheese could be a sign of infection. While a slight wound odour can be normal during healing, a strong or foul smell could indicate that your wound is infected. This is especially true if the wound displays other signs of infection, such as increased redness, swelling, pain, and fever.
If you experience any of these symptoms, it is important to seek medical attention promptly. Your healthcare provider may recommend a broad-spectrum antibiotic to fight the infection. Treatment must be aggressive and started quickly to be effective.
The bacterial breakdown of dead tissue occurs as your body heals a wound. White blood cells clean up damaged tissues and bacteria. This breakdown process can release byproducts with a faint odour. If wound drainage is not cleaned and removed properly, it can create a breeding ground for bacteria, leading to a stronger smell.
Certain types of bacteria are known to cause necrotizing soft tissue infections, which can result in the death of skin, muscle, and other soft tissues. These bacteria include Gram-negative bacteria such as Escherichia coli (E. coli). The bacteria that cause these infections are often introduced when a small cut or scrape becomes contaminated with germs.
The presence of certain bacteria can accelerate the breakdown of proteins in a decomposing body. Anaerobic bacteria in the digestive tract consume, digest, and excrete the body's cellular proteins, releasing gases and organic compounds. These gases and compounds, such as putrescine and cadaverine, carry the noxious odour of rotten flesh. As the proteins continue to break down, the bacteria produce ethanol, which can interfere with blood alcohol content (BAC) determination during autopsies.
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Trapped drainage
A wound that smells like cheese could be infected. While a slight wound odour is normal during healing, a strong or foul smell could indicate infection. Infection is characterised by signs such as redness, swelling, and pain around the wound, as well as pus drainage. If you experience these symptoms, you should seek medical attention.
To prevent wound odour, it is crucial to properly clean and manage wound drainage. This involves regularly cleaning the wound and its surroundings and using appropriate dressings. Additionally, certain dressings designed to absorb moisture can sometimes trap bacteria, leading to unpleasant smells. Therefore, it is important to select the right type of dressing to promote effective wound healing and minimise odour.
In some cases, underlying medical conditions, such as diabetes, can impair wound healing and contribute to foul odours. It is always advisable to consult a healthcare professional if you have concerns about wound odour or suspect any underlying medical issues. They can provide guidance on proper wound care and recommend suitable treatments or dressings to address the issue.
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Frequently asked questions
A cheesy odour coming from a wound is likely caused by bacteria. While a slight wound odour can be normal during healing, a strong or foul smell could indicate an infection. If you are concerned about the smell of your wound, seek medical attention.
If your wound is emitting a bad odour, it is important to seek medical attention promptly. Your healthcare provider may prescribe antibiotics and special dressings or treatments to help fight the infection and improve healing.
To prevent your wound from smelling, it is important to keep it clean and remove any wound drainage. You can also use special dressings that are designed to be antimicrobial or antibacterial, which may include ingredients such as silver, cadexomer iodine, or medical honey. Additionally, sugar-based dressings can help reduce wound odour by inhibiting bacterial growth.














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