Skin Odor: Is It a Sign of Kidney or Liver Issues? - Dermatology

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The scent of the skin?


Sometimes when I scratch my skin and then smell my hand, there is a foul odor.
Does this indicate poor kidney or liver function? PS.
I shower with soap every day.

Jackson, 40~49 year old female. Ask Date: 2008/09/24

Dr. Zhang Zhibo reply Dermatology


Hello Jackson: The odor of the skin is caused by the decomposition of dead keratinocytes by skin bacteria or the breakdown of sweat by bacteria.
If kidney function is impaired, the body may excrete more nitrogenous waste products (such as urea), which can lead to an odor.
However, the presence of an odor does not necessarily indicate kidney problems; a blood test can assess kidney function.
Liver dysfunction can also cause a noticeable odor due to the production of various sulfur compounds.
However, liver issues are typically accompanied by symptoms such as fatigue, tea-colored urine, and jaundice.
It is advisable to consult a hepatologist for liver function tests and ultrasound examinations rather than making assumptions on your own!

Reply Date: 2008/09/24

More Info


Skin odor can be a concerning issue, and it's understandable to wonder if it might be indicative of underlying health problems, such as kidney or liver dysfunction. However, it's important to note that skin odor can arise from a variety of factors, and not all of them are related to organ function.

Firstly, the skin naturally produces oils and sweat, which can sometimes lead to body odor, especially if bacteria on the skin break down these substances. This is often exacerbated by factors such as poor hygiene, certain foods (like garlic or spices), and even hormonal changes. If you are washing regularly with soap and still notice a persistent odor, it may be worth considering other factors that could contribute to this issue.

In terms of kidney and liver health, both organs play crucial roles in detoxification and waste elimination. When these organs are not functioning optimally, it can lead to a buildup of toxins in the body, which may manifest in various ways, including changes in body odor. For instance, a strong, ammonia-like odor can sometimes be associated with kidney issues, while a musty or sweet odor might indicate liver problems. However, these symptoms are typically accompanied by other signs of dysfunction, such as fatigue, changes in urine output, jaundice (yellowing of the skin and eyes), or swelling.

If you are experiencing a foul odor from your skin, it could also be related to skin conditions such as infections, fungal growth, or even certain dermatological issues. Conditions like intertrigo (inflammation of skin folds), tinea (fungal infections), or bacterial infections can lead to unpleasant odors. In such cases, the odor is often localized to the affected area and may be accompanied by other symptoms like redness, itching, or discharge.

Given that you mentioned you wash regularly, it might be beneficial to evaluate your skincare routine. Sometimes, the products used can also contribute to skin odor. For example, certain soaps or lotions may not be effective in removing odor-causing bacteria or may even leave residues that can lead to an unpleasant smell. Additionally, wearing synthetic fabrics can trap moisture and heat, creating an environment conducive to bacterial growth.

If the odor persists despite good hygiene practices, or if you notice other concerning symptoms such as changes in your urine (like color or odor), fatigue, or any other unusual signs, it would be prudent to consult a healthcare professional. They can perform a thorough evaluation, which may include blood tests to assess kidney and liver function, as well as a physical examination to check for any skin conditions.

In conclusion, while skin odor can sometimes be a sign of underlying health issues, it is not exclusively linked to kidney or liver problems. Many factors can contribute to skin odor, and a thorough assessment by a healthcare provider is essential to determine the cause and appropriate treatment. Maintaining good hygiene, being mindful of your skincare products, and monitoring any additional symptoms will help you manage this concern effectively.

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