Are Vulvar Varicose Veins Dangerous?

Vulvar varicose veins (VVVs), often called vulvar varicosities, are enlarged, twisted veins that appear in the external genital area, typically on the labia or perineum. Their sudden appearance, especially during pregnancy, often causes concern and anxiety. This article clarifies the nature of vulvar varicose veins, addressing their safety profile, associated risks, and management strategies.

Understanding Vulvar Varicose Veins

Vulvar varicose veins (VVVs) are dilated, superficial veins that develop around the labia majora, labia minora, and the perineum. They result from localized venous insufficiency, where veins struggle to return blood efficiently to the heart. This pooling causes the veins to become visibly swollen and tortuous.

The primary mechanism involves mechanical pressure combined with hormonal influence, especially during pregnancy. Increased blood volume and elevated hormones like estrogen and progesterone relax and stretch the vein walls. Simultaneously, the growing uterus pressures major pelvic veins, impeding blood return from the lower body. This increased pressure and weakened structure cause the characteristic enlargement. Symptoms often include heaviness, aching, swelling, and pressure, which worsen with prolonged standing.

The Safety Profile and Associated Risks

Vulvar varicose veins are overwhelmingly considered a benign condition and are not typically dangerous. When developed during pregnancy, the condition is usually temporary and resolves spontaneously within six to eight weeks postpartum, once hormonal and mechanical pressures are alleviated. This self-resolving nature is why active medical intervention is often deferred until after childbirth.

While the condition is generally not a threat to overall health, specific, rare risks warrant monitoring. Superficial thrombophlebitis, a painful clot formation within the affected surface vein, can occur, though it is usually localized. Any new, hard, tender lump should be evaluated by a physician to ensure it is not a deep vein thrombosis (DVT), a more serious condition requiring immediate attention.

Another concern is the risk of rupture or bleeding, which is extremely rare but can happen during a traumatic event or vaginal delivery. Even if rupture occurs, the bleeding is generally mild and manageable during labor. Furthermore, vulvar varicosities can signal underlying Pelvic Congestion Syndrome (PCS), where varicose veins form deeper within the pelvis. If VVVs persist or are severe outside of pregnancy, further diagnostic evaluation for PCS may be required.

Managing Discomfort Through Conservative Care

Since vulvar varicose veins are often a temporary condition, especially when linked to pregnancy, initial management focuses on reducing discomfort and symptoms through conservative, non-invasive measures. A primary strategy is to elevate the pelvis whenever possible throughout the day. Lying down with the hips raised on a pillow or wedge uses gravity to assist blood flow and relieve the pressure and heaviness associated with the pooling blood.

The application of cold therapy can help reduce swelling and alleviate pain. Using a cold compress or a covered ice pack intermittently provides localized relief. Specialized compression garments, such as supportive sling-type underwear, offer mechanical support by providing gentle upward pressure to the vulva.

Lifestyle adjustments are also important, including avoiding prolonged periods of standing or sitting, which exacerbate blood pooling. Engaging in light, low-impact exercise and performing pelvic floor exercises, such as Kegels, may help improve local circulation. For pain management, a physician may approve the use of over-the-counter analgesics, such as acetaminophen.

Advanced Treatment Options

For the minority of patients whose vulvar varicose veins do not resolve postpartum or for those experiencing significant, persistent symptoms unrelated to pregnancy, advanced medical interventions are available. These procedures are typically reserved for severe cases where conservative care has failed and are often delayed until after the postpartum period and conclusion of breastfeeding.

Definitive Procedures

Sclerotherapy is considered the preferred and most common definitive treatment. It involves injecting a liquid or foam solution directly into the enlarged vein. This solution causes the vein to scar, close off, and eventually be absorbed by the body, diverting blood flow to healthier vessels.

If vulvar veins indicate underlying Pelvic Congestion Syndrome (PCS), coil embolization may be necessary. This minimally invasive technique blocks the feeding veins deeper in the pelvis, such as the ovarian or internal iliac veins, often using small metal coils or a sclerosant. Surgical removal of the vein, known as phlebectomy, is rarely used for vulvar varicosities but remains an option for specific cases.