Flesh-Eating Infections Increasing in Vulva Cases, Experts Say

An alarming and rare type of infection is potentially increasing in prevalence, raising concerns among healthcare professionals. Gynecologists throughout the UK are reporting a concerning rise in cases of necrotizing fasciitis affecting the vulva, commonly referred to as the “flesh-eating disease.” This serious condition poses significant health risks and requires immediate medical attention.

In a recent publication in BMJ Case Reports, physicians affiliated with the Shrewsbury and Telford Hospital NHS Trust presented three striking cases of this infection. All three women were admitted to the hospital, and tragically, one of them succumbed to the disease. The authors of the report express their concern that these cases represent a disturbing trend in the UK, noting a parallel increase in similar infections in the United States.

Necrotizing fasciitis is a severe bacterial infection that aggressively destroys the soft tissues lying beneath the skin, particularly the fascia, which is a connective tissue layer. Although the infection may appear to consume flesh, it is essential to understand that the bacteria are not literally eating the tissue. Once the initial tissue destruction begins, the infection can escalate quickly, leading to life-threatening complications such as sepsis. The rapid progression of necrotizing fasciitis can result in fatalities in as little as 12 hours after the onset of symptoms, emphasizing the critical nature of prompt diagnosis and treatment.

While several bacterial species can cause necrotizing fasciitis, it is still considered a rare condition overall. However, the authors of the report indicate a notable increase in instances of vulvar necrotizing fasciitis at their institution, including the three cases highlighted in their study. This uptick raises awareness about the infection’s potential severity and the need for vigilance among healthcare providers.

In two of the documented cases, the patients were diagnosed with vulvar necrotizing fasciitis upon arrival at the emergency room, indicating the urgency of their situations. The third patient developed this condition as a complication following an infected surgical wound, highlighting the unpredictable nature of infections.

One patient had previously consulted a physician five days prior, having observed a concerning spot on her mons pubis, and was prescribed antibiotics. Unfortunately, the treatment did not resolve the infection, and by the time she reached the hospital, the infection had extensively spread to her labia majora, lower abdomen, and left hip. Despite undergoing surgical intervention to remove the infected tissue, known as debridement, and receiving intensive care, this patient tragically passed away from sepsis just 28 hours after her diagnosis.

The other two women faced significant challenges but ultimately survived their experiences. Both required extensive surgical debridement to remove necrotic tissue, and one underwent three separate surgeries, ultimately necessitating reconstructive surgery to restore function and appearance.

These cases are part of a troubling trend that the medical team has observed, having treated 20 instances of vulvar necrotizing fasciitis from 2022 to 2024, compared to only 18 cases reported in the preceding decade. This increase is not isolated, as other healthcare professionals are also witnessing a rise in cases of “flesh-eating” infections.

Recently, a study conducted by researchers at the Centers for Disease Control and Prevention (CDC) revealed that the incidence of invasive group A Streptococcus (GAS) infections—the primary cause of necrotizing fasciitis—has more than doubled in the United States between 2013 and 2022. Additionally, several European nations, including the UK, have documented a similar rise in GAS infections, underscoring a growing public health concern.

Although necrotizing fasciitis remains a rare condition, the authors of the report express hope that their findings will enhance awareness among obstetricians and gynecologists regarding the potential for such cases. They emphasize the importance of swift medical intervention, as timely treatment is crucial in preventing fatalities. “With our review of three cases, we aim to raise awareness of this condition among gynecologists, who may have limited familiarity with it,” they noted.

These infections can be life-threatening regardless of their origin, but vulvar necrotizing fasciitis is particularly lethal, with a mortality rate as high as 50% in the absence of prompt treatment. This statistic highlights the urgency for medical professionals to recognize and address this severe infection effectively.