Swollen Labia with White Pus: Is It a Sign of STD? - Obstetrics and Gynecology

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The right labium is swollen with three small white pus-filled lesions?


Hello doctor, I am currently working abroad and recently noticed that the left labia of my genital area has swollen, with three small white pus-filled bumps on it.
It hurts when I touch it.
Could this be a sexually transmitted infection?

CCAPPLE, 20~29 year old female. Ask Date: 2019/11/10

Dr. Huang Jianzhong reply Obstetrics and Gynecology


If someone is working abroad and suddenly notices swelling on the left side of the vulva with three small white pustules that are painful to touch, could this be a sexually transmitted infection? Answer: Yes, it could be a sexually transmitted infection.

Reply Date: 2019/11/10

More Info


Swollen labia with white pus can be concerning, and it's understandable to worry about the possibility of a sexually transmitted disease (STD). However, there are several potential causes for these symptoms, and not all of them are related to STDs.

First, let's consider the possibility of an infection. The presence of swollen labia and white pus suggests that there may be an inflammatory process occurring. This could be due to a bacterial infection, such as a Bartholin's gland cyst or abscess, which can occur when the glands that lubricate the vagina become blocked. This blockage can lead to swelling and pus formation. Another possibility is a skin infection, such as folliculitis, which can occur when hair follicles become infected.

Additionally, sexually transmitted infections such as herpes, gonorrhea, or chlamydia can also cause similar symptoms. Herpes, for instance, can present with painful blisters or sores in the genital area, while gonorrhea and chlamydia may lead to discharge and inflammation. However, these infections often come with additional symptoms, such as unusual discharge, burning during urination, or fever.

It's also important to consider non-infectious causes. Allergic reactions to soaps, detergents, or other personal care products can lead to localized swelling and irritation. Similarly, friction from tight clothing or sexual activity can cause inflammation and discomfort.

Given your symptoms, it is crucial to seek medical attention. A healthcare provider can perform a thorough examination, take a detailed history, and possibly conduct tests to determine the exact cause of your symptoms. This may include a pelvic exam, swabs for laboratory testing, and possibly imaging studies if an abscess or cyst is suspected.

In the meantime, here are some general recommendations:
1. Avoid Irritants: Refrain from using scented soaps, lotions, or other products in the genital area that could exacerbate irritation.

2. Wear Loose Clothing: Opt for breathable, loose-fitting clothing to minimize friction and irritation.

3. Maintain Hygiene: Keep the area clean and dry. Use mild soap and water, and pat dry gently.

4. Avoid Sexual Activity: Until you have been evaluated by a healthcare provider, it may be wise to avoid sexual activity to prevent further irritation or potential transmission of an infection.

5. Monitor Symptoms: Keep track of any additional symptoms that may develop, such as fever, increased pain, or changes in discharge, and report these to your healthcare provider.

In conclusion, while swollen labia with white pus can be a sign of an STD, there are many other potential causes. It is essential to consult with a healthcare professional who can provide a proper diagnosis and treatment plan based on your specific situation. Early intervention can help prevent complications and ensure appropriate care.

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