When the body is abnormalappreciate、body odorbe sure to pay attention, it may bebacteriaInfectliver and kidney disease, and evencancer‘s warning.
appreciate、body odorMay reflect physical health
When it comes to body odor, many people think of sweat first. If human sweat has a peculiar smell, it may be related to diet. Some people prefer to eat spices such as onions and garlic, or plants with strong flavors such as coriander. This may be reflected in areas where there are sweat glands, which secrete a special smell of sweat.
But generally speaking, when the body begins to have obvious body odor, it is common that the sweat glands or apocrine glands are blocked, or it is related to localInfectrelated.
Some special odors of the body are sometimes associated with chronic metabolic diseases, congenital metabolic abnormalities, and even somecancerThere are relationships.
That’s why there are animals trained to diagnose cancer, known as “veterinary doctors”. Some dogs and cats have been trained to learn to smell the smell of some cancer patients. When they encounter cancer patients again, they can quickly distinguish whether the smell is similar to the smell they have learned, so as to find the patient. People use animals’ sensitivity to smell to help doctors make early diagnosis.
Perhaps in the future, there will be more technology to assist in identifying differences or changes in human odor.
Specifically, the following body odors should be alerted.
1. Amonia or Urine Smell
If you find that your sweat has an abnormal smell recently, a little urine smell or ammonia (ammonia) smell, you should be careful about the function of liver and kidney.
Changes in body odor are more common in people with liver and kidney metabolic diseases. Liu Pengchi, chief physician of the Department of Family Medicine of Xinguang Hospital, pointed out that because of the abnormal metabolism of urea or amonia in such patients, places with many sweat glands will have this kind of smell.
What is Armonia? It’s what your cells and gut bacteria make when your body digests and processes protein. The body treats amonia as a waste product and excretes it through the liver.
It can also form urea, which enters the kidneys and is excreted in the urine.
If urea is not excreted, amonia will deposit in the body. People with poor liver and kidney function, or even failure, sometimes have such problems. These amonias that cannot be metabolized are excreted through breath and sweat.
Patients with uremia will have a distinct odor in their breath, known as “uremic fetor”. Some studies have found that people with chronic kidney disease who do hemodialysis have a 10-fold reduction in amonia in their breath.[1]
2. Oral putrefaction and sour smell
I feel that there is a sour and putrid smell in my mouth and nose, which is usually due to periodontal disease or sinusitis.This is often the casebacteriacaused by infections, such as Staphylococcus or Streptococcus.
A paper in the Iranian Journal of Otolaryngology shows that 80% to 90% of bad breath comes from oral problems such as periodontal disease, and the remaining 10% comes from other problems such as sinusitis.[2]
The stench of the oral cavity mainly comes from the volatile sulfides produced by bacteria decomposing the proteins in the oral cavity. The culprit is mostly chronic periodontal disease. The periodontal tissue is the main site for the production of volatile sulfides because it is full of wastes such as bacteria and food waste.
And when the sinuses are inflamed, swelling and mucus build-up in the nasal cavity can also cause bacteria to loiter in hard-to-clean areas. Their byproducts are exhaled and cause persistent bad breath.
Liu Pengchi added that there are also some patients with nasopharyngeal infections in clinical practice, especially those infected with some special bacterial colonies, and they may also smell fishy or pus.
3. Sour smell
Some breast cancer patients complain of a sour, dried radish smell on their body. Lung cancer and gastric cancer patients also have the problem of sour odor.
Bad odors from cancer typically originate from three conditions: necrosis, bacterial infection, and secretions. For example, if an ulcer develops at the tumor site, it may cause bacteria to grow and produce a foul odor.
Liu Pengchi said that he once saw a patient in the clinic and felt a bloody and sour smell in the nose or mouth. At first, the patient thought that it was sinusitis or allergic rhinitis that caused his abnormal sense of smell, so he treated it as sinusitis. However, after he took antihistamines and antibiotics, these tastes remained.
Later, he developed gastroesophageal reflux, hyperacidity and other stomach symptoms. At this time, he also thought that it was the antibiotics that hurt his stomach and continued to seek medical treatment. In the end, he found that his stomach symptoms had not eased, and he could still smell sour and bloody smells near his nasopharynx. Even people around him began to tell him that his breath seemed to have a sour taste.
He finally had a gastroscope and found out that he had stomach cancer.
4. Fruity
A fruity smell on the body may be caused by type 1 diabetes or ketoacidosis associated with type 2 diabetes.
People with diabetes can’t make enough insulin, or have insulin resistance, making it difficult to use glucose for energy. At this point, the body burns fat for energy, which in turn produces ketones in the blood.
High ketone levels can cause your blood to become acidic and your body odor to be fruity.
However, there may also be reasons for this sweet body odor unrelated to diabetes, such as ketogenic diets, fasting, and heavy alcohol consumption.
5. Fermented beer taste
This body odor is related to human metabolism.
Some people with gout, because of high uric acid, will make sweat and urine smell like fermented beer, or even a little more sour.
6. Grape Juice
In some patients with severe pulmonary Pseudomonas aeruginosa infection, there will be an odor like grape juice.
Some bacteria have their own unique odor, while Pseudomonas aeruginosa produces a grape-like sweet taste. Pseudomonas aeruginosa generally affects the lungs and urinary tract, or causes burns and wound infections.
7. Body odor
Body odor is very heavy, it may be an infection of the apocrine sweat glands.
Sweat glands are distributed almost all over the skin, and their main function is to sweat and regulate body temperature. One type of sweat gland is called apocrine gland, which is only distributed in the armpit, perineum, etc. If the apocrine sweat glands in the armpit are developed and the sweat secretion is not cleaned up in time, bacteria will breed, which will cause body odor.
When the apocrine glands are blocked and chronic inflammation caused by repeated infection – hidradenitis suppurativa, it is necessary to be vigilant. This disease can cause abscesses in the armpits, with a bad smell.
There may be a disease behind the strong perfume
Sometimes doctors also encounter patients with strong perfume smells. These people may usually have relatively heavy body odor, so they use a lot of perfume in social situations, which will also cause a dull sense of smell. Therefore, they may not be aware of the change in their own body odor, and often rely on their relatives and friends to remind them.
It is recommended that such people pay attention to whether their body odor is abnormal after taking a bath.
Strange body odor may be a neurological and brain problem
If a patient sees a doctor because they feel an abnormal body odor, the doctor will usually smell it in person to determine if the smell is what the patient says and if there is a problem.
Some patients who thought they had a strange body odor went to the hospital and found that it was the problem of the olfactory nerve in his nasal cavity. This has to consider that his brain may have a disease.
The smell itself is rather subjective. Most people’s body odor is mostly benign, so don’t worry too much. However, if there is an unacceptable body odor, or a strange sour or foul odor, you should pay special attention to whether there is a more serious problem.
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Responsible editor: Li Qingfeng