Is It Normal to Have Underarm Odor After Showering?

Q: Is It Normal to Have Underarm Odor After Showering?

Hello： Body odor, or axillary odor, is caused by excessive secretion from the apocrine glands and can be influenced by genetic factors (autosomal dominant inheritance). <br>Everyone has apocrine glands to some extent, and treatment is necessary when the odor becomes bothersome to

Is it common to have body odor?

Hello, doctor.
Is it true that everyone has a smell under their armpits? I noticed that even after taking a shower, I can still detect a slight odor under my armpits, although it's not very strong.
Is this normal? Thank you.

Nn, 20~29 year old female. Ask Date: 2009/07/11

Dr. Shi Wenbin reply Plastic Surgery

Hello: Body odor, or axillary odor, is caused by excessive secretion from the apocrine glands and can be influenced by genetic factors (autosomal dominant inheritance).
Everyone has apocrine glands to some extent, and treatment is necessary when the odor becomes bothersome to oneself or others (subjective symptoms).
Additionally, it is important to rule out odor from sweat.

Reply Date: 2009/07/11

More Info

It is quite common for individuals to experience some degree of underarm odor even after showering. This phenomenon can be attributed to several factors, including the natural processes of the body, the type of soap or body wash used, and individual differences in skin chemistry.

Firstly, it’s important to understand that our bodies have millions of sweat glands, particularly in areas like the underarms. There are two main types of sweat glands: eccrine and apocrine glands. Eccrine glands are responsible for regulating body temperature through sweat that is mostly water and salt, while apocrine glands, which are concentrated in the underarm area, produce a thicker, milky sweat that is rich in proteins. When this sweat is broken down by bacteria on the skin, it can lead to body odor.

Even after showering, it is possible for some residual bacteria to remain on the skin, especially if the shower does not thoroughly cleanse the area or if the soap used is not effective against odor-causing bacteria. Additionally, factors such as diet, hormonal changes, and stress can influence the amount and type of sweat produced, which in turn can affect odor.

For some individuals, certain foods like garlic, onions, and spices can contribute to stronger body odor due to the way these foods are metabolized and excreted through sweat. Hormonal fluctuations, such as those experienced during menstruation or menopause, can also increase sweat production and change body odor.

If you find that you have a noticeable underarm odor shortly after showering, there are several steps you can take to manage it:
1. Use Antiperspirants or Deodorants: Antiperspirants work by blocking sweat glands to reduce perspiration, while deodorants mask odor. Some products combine both functions. Look for clinical-strength options if regular products are not effective.

2. Maintain Good Hygiene: Ensure that you are thoroughly cleaning your underarms during showers. Using antibacterial soap can help reduce the bacteria that cause odor.

3. Wear Breathable Fabrics: Choose clothing made from natural fibers like cotton, which allow your skin to breathe and reduce moisture buildup.

4. Consider Dietary Changes: If you suspect that your diet may be contributing to body odor, try to identify and limit foods that may have this effect.

5. Stay Hydrated: Drinking plenty of water can help dilute sweat and reduce odor.

6. Consult a Healthcare Professional: If you notice a sudden change in body odor or if the odor is particularly strong and persistent, it may be worth consulting a healthcare provider. They can rule out any underlying medical conditions, such as hyperhidrosis (excessive sweating) or infections.

In summary, experiencing some underarm odor after showering can be normal due to the natural processes of sweating and bacterial activity on the skin. However, if the odor is concerning or bothersome, there are various strategies you can implement to help manage it effectively.

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