BV vs Thrush: How To Tell The Difference (& Why it Matters)
If you’ve ever typed “BV vs thrush” into Google at 10pm while trying to work out what’s going on - you’re not alone. I have treated over 30 women weekly for either recurrent thrush or BV in the past few years. But it sure as hell makes you feel alone as nobody feels comfortable talking about it.
Bacterial vaginosis and thrush are two of the most common vaginal conditions.
They can feel similar.
They’re often misdiagnosed.
And they’re frequently treated incorrectly.
Understanding the difference isn’t just helpful - it’s critical for stopping recurrence.
Let’s break it down properly.
What Is BV (Bacterial Vaginosis)?
Bacterial vaginosis occurs when there is an overgrowth of anaerobic bacteria in the vaginal microbiome.
Common BV-associated bacteria include:
Gardnerella vaginalis
Atopobium vaginae
Prevotella species
Mobiluncus species
These bacteria thrive in low-oxygen environments and produce compounds that alter the vaginal ecosystem.
When anaerobic bacteria overgrow:
Vaginal pH rises
Odour-producing amines are released
Biofilms can form
Inflammation may develop
BV is not classified as a traditional infection - it reflects a shift in the microbial balance, where certain bacteria dominate beyond healthy levels.
What Is Thrush?
Thrush is caused by an overgrowth of Candida species, most commonly Candida albicans.
Candida naturally exists in small amounts in the vagina. It becomes problematic when it overgrows beyond healthy levels.
Common triggers include:
Recent antibiotic use
Hormonal fluctuations
Immune stress
Elevated blood sugar
Pregnancy
Thrush is fungal in nature, whereas BV involves bacterial overgrowth - which is why treatment approaches differ.
BV vs Thrush: Key Symptom Differences
Discharge
BV
Thin
Grey, white, or slightly yellow
Often more noticeable after intercourse
Thrush
Thick
White
Often described as clumpy
Odour
BV
Strong fishy odour
Often more noticeable after sex
Thrush
Usually minimal or no strong odour
Itching & Irritation
BV
Mild irritation or internal discomfort
Itching is not usually severe
Thrush
Intense itching
Burning sensation
Redness and swelling of the vulva
Vaginal pH
One of the most reliable differences.
BV
Elevated pH (typically >4.5)
Thrush
Usually normal vaginal pH (3.5–4.5)
This is why relying purely on symptoms can sometimes be misleading.
Can You Have Both BV and Thrush at the Same Time?
Yes, and this is more common than many women realise.
It’s possible to have:
Anaerobic bacterial overgrowth consistent with BV
Candida overgrowth consistent with thrush
Biofilm formation protecting multiple organisms
Mixed microbial patterns
In these cases:
Treating only Candida may leave anaerobic bacteria unchecked
Treating only BV may leave fungal overgrowth unresolved
This is one of the biggest reasons women experience recurrence, because only part of the picture was addressed.
Why Women Get Misdiagnosed
There are several reasons BV and thrush are confused:
Overlapping symptoms
Assumptions based on discharge alone
No pH assessment
No microbiome testing
Mixed infections
Many women are repeatedly treated based on a quick swab or symptom description, without understanding the broader microbial ecosystem.
Why Recurrence Happens
If you’ve experienced recurrent BV or recurrent thrush, it’s often because:
Biofilms were not disrupted
The underlying microbial pattern wasn’t identified
Hormonal factors weren’t considered
Gut-derived bacterial transfer wasn’t addressed
The vaginal environment wasn’t fully restored
Short-term symptom relief does not always mean microbial correction.
When Should You Consider Testing?
You may benefit from vaginal microbiome testing if:
Symptoms return within 1–3 months
Treatments provide only temporary relief
You suspect mixed infection
You’re trying to conceive
Symptoms don’t clearly fit one diagnosis
Testing provides clarity instead of guesswork.
Rather than:
Treat → hope → repeat
You can:
Test → understand → correct → restore
So if any of this ressonates with you, look at booking in today to get a vaginal microbiome test kit and treatment with one of our specialist Naturopaths.
xx
Abbey Farrell
Clinical Naturopath (BHSc) & Founder