To understand this condition, it is essential to first know about Bartholin’s glands. These are two small, pea-sized glands located on either side of the vaginal opening, in the labia minora. The primary function of these glands is to secrete a small amount of a mucus-like fluid through tiny ducts, or tubes, that open into the vagina. This fluid provides lubrication during sexual arousal.

From Blockage to Cyst to Abscess

A helpful analogy is to think of each Bartholin’s gland as a tiny, delicate water balloon with a long, narrow nozzle designed to release a few drops of lubricating fluid.

• A Bartholin’s cyst is what happens when the very tip of this nozzle gets clogged. The gland keeps producing fluid, but it has nowhere to go. The fluid backs up and slowly inflates the “balloon,” creating a soft, fluid-filled sac. If the cyst is small, it is often completely painless.
• A Bartholin’s abscess is what happens when bacteria get into this stagnant, fluid-filled balloon. The trapped fluid becomes infected, and the clear fluid turns into painful, pressurized pus. This infected, inflamed, and often excruciatingly painful balloon is an abscess.

In my experience, patients often come in alarmed by a sudden lump near the vaginal opening, many fear it’s a tumor, when in fact it’s a Bartholin cyst or abscess.

The process begins with a blockage of the Bartholin’s gland duct.

• The Cause of a Cyst: The direct cause is a blockage of the duct. The reason for the blockage is often not clear, but it can be caused by thickened mucus, minor trauma or irritation from intercourse, or localized swelling that pinches the duct closed.
• The Cause of an Abscess: The direct cause of an abscess is a bacterial infection of the fluid that is trapped within a pre-existing cyst. The bacteria that cause the infection are usually normal bacteria that are found on the skin or in the vagina, such as Escherichia coli (E. coli). In some cases, sexually transmitted bacteria, like those that cause gonorrhea or chlamydia, can be the cause of the initial inflammation that leads to the blockage and infection, but this is less common.

In my experience, abscesses tend to arise when bacteria, commonly E. coli, Staph, or anaerobes, infect the fluid within the cyst, especially after sexual activity or poor hygiene.

Any woman who has Bartholin’s glands can develop a cyst or an abscess. The condition is most common in women during their reproductive years, typically between the ages of 20 and 30. It is not contagious, and in most cases, there are no specific risk factors or ways to prevent the initial blockage from occurring. It is often a random event.

In my experience, cysts may appear spontaneously, even in women with no risk factors, but repeated friction, tight clothing, or minor trauma can contribute.

The signs and symptoms are very different depending on whether the lump is a simple, uninfected cyst or an infected abscess.

Signs and Symptoms of a Bartholin’s Cyst

If a cyst is small, it is very common to have no symptoms at all. Many women are unaware they have one until it is found during a routine pelvic exam.

• When symptoms do occur, they are usually from the size of the cyst.
• The primary sign is a painless, soft lump on one side of the labia, near the vaginal opening.
• If the cyst grows large, it can cause a feeling of pressure or mild discomfort, especially when sitting, walking, or during sexual intercourse.

Signs and Symptoms of a Bartholin’s Abscess

An abscess develops rapidly, usually over a period of 2 to 4 days, and the symptoms are much more severe.

• Severe, Throbbing Pain: This is the hallmark symptom. The pain is often constant, exquisite, and can become so severe that it is difficult to walk, sit, or even move.
• A Tender, Red, Hot Swelling: The lump becomes extremely tender to the touch, and the overlying skin is often red and feels warm.
• Fever and Chills: The systemic signs of infection can sometimes accompany the abscess.
• Spontaneous Rupture: After several days, a large abscess may come to a “head” and rupture on its own, releasing a significant amount of pus and providing immediate relief from the pressure and pain.

Clinically, I also watch for fever or drainage if the abscess ruptures spontaneously or due to pressure and note whether symptoms recur frequently.

The diagnosis of a Bartholin’s cyst or abscess is almost always made clinically. This means a gynecologist or other healthcare provider can confidently diagnose the condition based on a simple physical and pelvic examination.

• The location of the swelling at the 4 o’clock or 8 o’clock position at the base of the labia minora is characteristic.
• The doctor will assess the size of the lump and whether it is tender, red, and warm (suggesting an abscess) or non-tender (suggesting a simple cyst).

Are Other Tests Needed?

• Imaging: In a typical case, no imaging tests like an ultrasound are needed.
• Culture: If an abscess is draining pus or is drained by the doctor, a swab of the fluid may be sent to a laboratory for a culture. This can help to identify the specific bacteria causing the infection and can also be used to test for gonorrhea and chlamydia.
• Biopsy: In women over the age of 40, or if the lump has an unusual or solid appearance, a doctor will recommend performing a biopsy to rule out the very rare possibility of Bartholin’s gland cancer. This involves taking a small sample of the tissue to be examined by a pathologist.

In my experience, I reserve culture or biopsy for recurrent cases, women over 40 (to rule out malignancy), or when the diagnosis isn’t clear.

The treatment depends entirely on whether the lump is a simple cyst or a painful abscess, and on the severity of the symptoms.

Treatment for a Bartholin’s Cyst

For a small cyst that is not causing any pain or discomfort, no medical treatment is typically needed.

• Home Care with Sitz Baths: The most common recommendation is to take sitz baths. This involves soaking the genital area in a few inches of warm water for 10 to 15 minutes, several times a day. The warm water can help to increase circulation, provide comfort, and encourage a small cyst to open and drain on its own.

Treatment for a Bartholin’s Abscess

The definitive treatment for a painful, infected abscess is drainage. Antibiotics alone are not sufficient to cure a collection of pus; the pus must be removed.

• Incision and Drainage (I&D): This is a simple and highly effective procedure that is typically performed in a doctor’s office or an urgent care setting.
  • The doctor first numbs the area with an injection of a local anesthetic.
  • A small incision is made into the most prominent part of the abscess, allowing the pus to drain out completely. This provides immediate and significant relief from the pain and pressure.
• Word Catheter Placement: Simply draining the abscess is not enough, as the incision would quickly heal shut and the abscess would likely recur. To prevent this, after draining the pus, the doctor will often insert a Word catheter.
  • A Word catheter is a very small rubber tube with a tiny, inflatable balloon at its tip. The tube is inserted into the empty abscess cavity, and the balloon is then inflated with a small amount of water to keep the catheter in place.
  • The end of the catheter is left outside the incision. It is left in place for 4 to 6 weeks.
  • The purpose of the catheter is to keep the drainage tract open long enough for the skin to heal around it, creating a new, permanent duct for the gland. This process is called epithelialization.

Treatment for Recurrent Cysts or Abscesses

For women who have recurring problems with Bartholin’s abscesses, a minor surgical procedure may be recommended.

• Marsupialization: This procedure is performed in an operating room setting. The surgeon makes a small incision over the cyst and then stitches the walls of the cyst open to the surrounding skin, creating a small, permanent pouch or “kangaroo pocket” that allows the gland to drain freely.
• Gland Excision: In very rare cases of constantly recurring and debilitating abscesses, a surgeon may perform a procedure to completely remove the entire Bartholin’s gland. This is a more complex surgery with a higher risk of bleeding.

Clinically, I prescribe antibiotics when infection is extensive or systemic, and I consider marsupialization for patients with repeated abscesses.

A Bartholin’s cyst or abscess is a common gynecological issue that can cause significant pain and distress. It is essential to understand that this is a benign condition resulting from a simple blocked gland, and in most cases, it is not related to sexual activity or personal hygiene. While a small, painless cyst may resolve with simple home care like sitz baths, a painful, infected abscess requires medical attention. The good news is that treatment is straightforward and highly effective. A simple in-office drainage procedure can provide immediate relief from the severe pain of an abscess, and the placement of a temporary catheter can often prevent it from coming back. In my experience, timely drainage and proper hygiene prevent most complications. Patients often feel significant relief within hours of abscess treatment.

The American College of Obstetricians and Gynecologists (ACOG). (2021). Benign Gynecologic Lesions. Retrieved from https://www.acog.org/clinical/clinical-guidance/practice-bulletin/articles/2021/01/benign-gynecologic-lesions

The Mayo Clinic. (2024). Bartholin’s cyst. Retrieved from https://www.mayoclinic.org/diseases-conditions/bartholin-cyst/symptoms-causes/syc-20369976

The Cleveland Clinic. (2023). Bartholin’s Cyst. Retrieved from https://my.clevelandclinic.org/health/diseases/17655-bartholin-cyst