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Menopause, Bacterial Vaginosis & Yeast Infections: Learn the Differences & How to Manage Them

Mallory Junggren

Written by Mallory Junggren

Mallory Junggren

Written by Mallory Junggren

Your vaginal discharge is off, you’re itchy, and even your scent seems different...and not in a good way. You’re sure you have a yeast infection—or is it bacterial vaginosis? Before you self-diagnose, read on.

The Vaginal Microbiome

The vaginal microbiome is the ecosystem of microorganisms, mostly bacteria, that are normally present in the vagina. A healthy vaginal microbiome is thought to be largely composed of lactobacillus bacteria. When it’s not—and when an imbalance of these microorganisms exists in the vaginal microbiome instead—you can be more susceptible to vaginal infections.1

Bacterial Vaginosis vs. Yeast Infection: What’s the Difference?

Bacterial vaginosis and yeast infections are two of the most common infections affecting vaginal health, and both can be caused by an imbalance in the vaginal microbiome. But the microorganisms that cause them are different and require different treatment.

What Is Bacterial Vaginosis?

Bacterial vaginosis is characterized by a decline in lactobacillus and an overgrowth of anaerobic bacteria, most commonly Gardnerella vaginalis. This bacteria is a normal part of the vaginal microbiome—it's only the overgrowth that causes the infection.2 Symptoms include vaginal itching, burning during urination, a strong, fishy odor, and a thin, white, gray, or greenish discharge—though not all women experience symptoms. Bacterial vaginosis is often treated with antibiotics, which may require a doctor’s appointment. It can also clear up on its own.3 Some women may choose or be recommended a probiotic as well that is formulated specifically for supporting the vaginal microbiome, to help maintain balance and prevent recurrent infection..

What Is a Yeast Infection?

Yeast infections are caused not by an overgrowth of bacteria, but rather by an overgrowth of the fungus candida. Candida is naturally occurring in the vagina, but lactobacillus normally keeps too much of it from growing. But when lactobacillus levels decline, the vagina is more susceptible to candida overgrowth, causing symptoms like vaginal itching, swelling, burning or pain during sex, soreness, redness, and a potential vulvar rash, as well as a thick or clumpy white vaginal discharge. A healthcare provider can prescribe a prescription-strength antifungal, but many women start with creams and suppositories that are available over the counter. Most yeast infections come from a specific kind of yeast called Candida albicans, but not all of them do. If symptoms persist, a lab test can help identify the type of candida and the best treatment for it.4

How Menopause Changes Vaginal Health

Your vaginal microbiome changes throughout your whole life. There are links between the vaginal microbiome and everyday factors like hormonal birth control, sexual activity, smoking, diet, exercise, antibiotics, and menstruation. On top of those, perimenopause, menopause, and postmenopause can all come with their own changes to vaginal health.5

When your estrogen levels naturally decline during perimenopause, menopause, and postmenopause, your vaginal lactobacillus levels decline too, leaving you with less of their protective power. Declining estrogen also makes the vagina less acidic and can change the vagina on a cellular level too, contributing to vaginal atrophy, a chronic condition marked by the thinning of the internal (and occasionally external) tissues of the vagina.

The Bacterial Vaginosis-Menopause Connection

An estimated one in three women will get bacterial vaginosis at some point in their lives.6 More research needs to be done on whether changes to the vaginal microbiome during perimenopause, menopause, and postmenopause make women more susceptible to this infection. Although lactobacillus levels do decline during this time, it hasn’t shown to necessarily go hand-in-hand with the growth of BV-associated microorganisms.7

That said, there are links between vaginal atrophy and bacterial vaginosis, since the less acidic environment in the vagina during this time can leave the vagina more vulnerable to the growth of bacteria.8

The Yeast Infection-Menopause Connection

Most women will get a yeast infection at some point in their lives, but the decrease of lactobacillus bacteria during menopause can encourage overgrowth of yeast in the vagina. Women who wear pads for urinary incontinence, another common symptom during this time, may also be more susceptible, thanks to decreased oxygen flow to the area, which can affect the vaginal microbiome.9 As women get older, they’re also more likely to develop diabetes or high blood sugar, which predisposes them to yeast infection after menopause.10

The Fascinating Role of Probiotics — And Other Ways to Prevent Imbalance

Although probiotics designed specifically for the vaginal microbiome aren’t often used as a standalone cure for vaginal infections, the research on their effects is promising. Vaginal probiotics formulated with lactobacillus and other beneficial bacteria have been shown to help balance the vaginal microbiome and may prevent vaginal infections (and thus reduce the symptoms of them) during all stages of a woman’s life, including perimenopause, menopause, and postmenopause.11 Research has also shown that vaginal probiotics can prevent the recurrence of bacterial vaginosis, possibly long-term.12

Other daily steps you can take to help prevent bacterial vaginosis and yeast infection after menopause or before, include:13

  • Avoiding products that can disrupt the balance in the vaginal microbiome, like fragranced soaps and pads and vaginal douches and washes.
  • Keeping soap outside your vagina. Your vagina is self-cleaning, so even when using non-fragranced products, you should only be washing your vulva, not the inside of your vagina.
  • Keeping your genital area dry. Bacteria grows more easily in wet environments, so make sure to dry off thoroughly after showering and change out of wet bathing suits and sweaty clothes immediately. Choosing underwear with a cotton crotch can help keep the area dry too.

Continuing or Recurring Symptoms? Talk to Your Healthcare Provider

Keep in mind that bacterial vaginosis and yeast infections don’t always cause noticeable symptoms—and that symptoms like itching, odor, and “off” discharge can also be caused by some sexually transmitted infections, or a skin reaction to bath products.14 If your symptoms aren’t going away or come back after treatment, it’s worth a chat with your doctor.

Resources

  1. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5770522/
  2. https://www.ncbi.nlm.nih.gov/books/NBK459350/
  3. https://my.clevelandclinic.org/health/diseases/3963-bacterial-vaginosis
  4. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC7151053/
  5. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC6743080/
  6. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8232816/
  7. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC130764/
  8. https://www.healthcentral.com/slideshow/vaginal-infections-and-vaginal-atrophy-link
  9. https://www.healthcentral.com/slideshow/vaginal-infections-and-vaginal-atrophy-link
  10. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC130764/
  11. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC5770522/
  12. https://www.ncbi.nlm.nih.gov/pmc/articles/PMC8232816/
  13. https://www.nichd.nih.gov/health/topics/vaginitis/conditioninfo/prevention
  14. https://health.clevelandclinic.org/dont-assume-itch-yeast-infection/

Comments

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Very informative

Jane Hanna on

Gee, I’m not alone in my Vig atrophy!

ARLENE F GOTTARDO on

No one prepares women for the changes this time of your life will bring! It was all quite upsetting for me when all of the sudden sex was horribly painful! I went to GYN & had raging UTI with BV also!!! And now I have vaginal atrophy. Guess I’m in that 50% of women that are unlucky. Bonafide products & your blogs/info have been so honest and helpful! Thank you for being here! I have NO ONE to talk to about these very important health issues. Thankfully I have a very understanding husband who truly cares about my wellbeing.

Pam on

Wow I can’t thank you enough very informative .

Catherine Boines on

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