Painful Labial Bumps: Causes and Concerns - Obstetrics and Gynecology

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Labial swelling with pain?


I have a red, hard bump about 0.5 cm on the inner side of my labia, which appeared before my menstrual period.
It doesn't move and is painful when walking or touching it.
There is no bleeding, odor, or other symptoms, but it just appeared recently and is causing me a lot of distress and anxiety.
Could you please provide some guidance?

Ba Le Le Le, 10~19 year old female. Ask Date: 2013/09/15

Dr. Yang Wangjun reply Obstetrics and Gynecology


Hello: Generally, small red, swollen, and painful nodules are usually caused by pyogenic bacteria, particularly Staphylococcus or Escherichia coli infections of the minor mucous glands in the labia minora.
Treatment may include oral antibiotics and topical antibiotic ointments.
If there is an abscess, it may need to be drained or incised.
The typical course of the condition usually resolves in about a week.
Thank you for your message!

Reply Date: 2013/09/15

More Info


When it comes to painful labial bumps, there are several potential causes that one should consider. The bump you described, located on the inner side of the labia, could be due to a variety of factors, including infections, cysts, or even dermatological conditions. Given that it is red, hard, and painful, it is essential to evaluate the situation carefully.

One common cause of such bumps is a bartholinitis, which occurs when the Bartholin glands, located at the 4 o'clock and 8 o'clock positions of the vaginal opening, become blocked or infected. This can lead to the formation of a cyst or an abscess, which can be painful and tender to the touch. Another possibility is a folliculitis, which is an inflammation of the hair follicles that can occur in the genital area, often resulting in painful bumps.

Additionally, herpes simplex virus (HSV) can cause painful lesions in the genital area. If you have a history of herpes or have been exposed to someone with it, this could be a consideration. However, herpes lesions typically present with other symptoms, such as itching or burning, and may eventually crust over.

Another potential cause could be warts, which are caused by the human papillomavirus (HPV). While warts are usually painless, they can sometimes become irritated and cause discomfort, especially if they are located in areas that experience friction.

In some cases, dermatological conditions such as contact dermatitis or eczema can lead to painful bumps in the genital area. These conditions can arise from irritants or allergens, resulting in inflammation and discomfort.

Given that you mentioned the bump is approximately 0.5 cm in size, immobile, and painful when touched or during movement, it is crucial to seek medical attention. A healthcare provider can perform a physical examination and may recommend tests to determine the exact cause of the bump. They may also inquire about any other symptoms you may have experienced, such as changes in discharge, fever, or any recent sexual activity, which can provide additional context for diagnosis.

While waiting for your appointment, it is advisable to avoid any irritants, such as scented soaps or lotions, and to wear loose-fitting clothing to minimize discomfort. Additionally, refrain from self-diagnosing or attempting to treat the bump with over-the-counter medications without consulting a healthcare professional.

In summary, while there are several potential causes for the painful bump on your labia, it is essential to consult with a healthcare provider for an accurate diagnosis and appropriate treatment. Early intervention can help alleviate discomfort and prevent potential complications. Remember, your health and well-being are paramount, and addressing concerns promptly is always the best course of action.

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