White Discharge on Armpit Hair: Is It Normal and When to See a Dermatologist?

White discharge from armpit hair?

Hello, doctor.
I recently noticed white discharge on the hair in my right armpit while taking a shower.
I couldn't completely remove it even after washing.
After searching online for related images, I found that it looks quite similar to tinea corporis.
However, I did not find any white discharge in my left armpit.
Is this normal? Additionally, should I consult a dermatologist for this condition?

A Cheng, 30~39 year old female. Ask Date: 2021/10/10

Dr. Wu Yuxin reply Dermatology

Yes.

Reply Date: 2021/10/10

More Info

When you notice a white discharge on the hair in your armpit, it can be concerning and may lead you to wonder if it is normal or indicative of a skin condition. The presence of white discharge can be attributed to several factors, and understanding these can help you determine whether you need to see a dermatologist.

Firstly, it is important to clarify what the white discharge could be. In many cases, this could be a buildup of sebum, which is an oily substance produced by sebaceous glands in the skin. Sebum helps to keep the skin moisturized, but when it accumulates, especially in areas with hair, it can appear as a white or yellowish discharge. This is generally harmless and can be managed with regular washing and good hygiene practices.

Another possibility is that the white discharge could be related to a fungal infection, such as tinea corporis (ringworm) or tinea capitis (scalp ringworm), which can affect hair follicles. Fungal infections can cause symptoms like itching, redness, and flaking, and they may require antifungal treatment. If the discharge is accompanied by other symptoms such as itching, redness, or a rash, it would be prudent to consult a dermatologist for a proper diagnosis.

In your case, since you mentioned that the white discharge is only present on one side and not the other, this asymmetry could be a sign that something specific is occurring in that area. It is not typical for a fungal infection to be unilateral, but localized skin conditions can occur. Other potential causes could include folliculitis, which is inflammation of the hair follicles, or even a localized allergic reaction to a product you may be using, such as deodorants or soaps.

If the discharge persists despite good hygiene practices, or if you notice any additional symptoms such as pain, swelling, or changes in the skin's appearance, it is advisable to seek medical attention. A dermatologist can perform a thorough examination and may conduct tests, such as a skin scraping or culture, to determine the exact cause of the discharge.

In summary, while a white discharge on armpit hair can sometimes be normal, especially if it is just sebum, it is essential to monitor for any accompanying symptoms. If the condition does not improve with regular washing or if you have concerns about a possible infection or other skin condition, seeing a dermatologist would be the best course of action. They can provide a tailored treatment plan and address any underlying issues that may be contributing to your symptoms. Remember, early intervention can often lead to better outcomes, so don't hesitate to seek professional advice if you feel it is necessary.

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