Cytolytic… what now ???
Yes — another spanner in the diagnostic works! Even among expert microbiologists there is debate about whether Cytolytic vaginosis is truly a distinct medical condition. Yet many women experience persistent vaginal symptoms that don’t quite fit the usual diagnoses, leaving both patients and clinicians searching for answers.
What Is It exactly?
Cytolytic vaginosis is thought to occur when there is an overgrowth of lactobacilli, the bacteria that normally help keep the vagina healthy. Under normal circumstances, these bacteria play an important protective role by maintaining the vagina’s naturally acidic environment, which helps prevent harmful organisms from growing.
However, when lactobacilli become too abundant, the vaginal environment may become overly acidic. This can lead to irritation and the breakdown of vaginal epithelial cells — a process sometimes referred to as cytolysis. The result can be symptoms such as burning, irritation, discharge, and discomfort during intercourse, which can easily be mistaken for Thrush.
Interestingly, there is still debate about the exact cause. Some microbiologists suggest that rather than there being too many lactobacilli, some women may simply have increased sensitivity or an exaggerated response to normal levels of these bacteria.
One of the challenges is that routine tests may not clearly identify this imbalance, and because the symptoms closely resemble thrush, many women are often repeatedly treated with antifungal medications that do not improve their symptoms.
How Is the diagnosis made then?
That’s a tricky one! Diagnosing Cytolytic vaginosis can be challenging because there is no single definitive test, and the symptoms often mimic other common vaginal conditions
A careful clinical history is an important first step. Some women notice that their symptoms fluctuate during the menstrual cycle, often worsening in the second half of the cycle (the luteal phase) and then improving during menstruation. This pattern is thought to relate to hormonal changes and shifts in the vaginal environment across the cycle.
Examination and microscopy of vaginal secretions can also provide helpful clues. Another feature that may support the diagnosis is a very low vaginal pH, often lower than what is usually seen with other causes of vaginal irritation.
In practice, the diagnosis is often made by excluding other more common conditions and recognising a pattern of symptoms and microscopy findings that are consistent with cytolytic vaginosis.
So how is it treated?
Alkalinising Measures: Vaginal bicarbonate washes or baths can help neutralise excess acidity. Commercially available alkalinising gels or douches may be used under specialist guidance. Overuse of alkalinising treatments can disrupt the natural vaginal microbiome, potentially leading to overgrowth of other bacteria. Careful moderation is key.
Lifestyle and Hygiene Adjustments: Avoid scented soaps, washes, and feminine hygiene products that can alter vaginal pH. Wear cotton underwear and loose-fitting clothing to reduce irritation. Avoid prolonged moisture, such as wet swimsuits or tight gym wear.
So, the key message…..
It’s all about balance. The aim is to relieve symptoms without over-alkalinising, so the natural protective vaginal microbiome remains healthy. Many women feel significant improvement once the correct diagnosis is made and inappropriate anti-fungal treatments are stopped.
Posted February 2026
