Key takeaways:
Probiotics are supplements that may contain different microorganisms, like bacteria and yeast. These are similar to the microorganisms normally found in your body and vagina.
Probiotics may help people who often get bacterial vaginosis or vaginal yeast infections.
Vaginal probiotics are generally safe. They don’t cause significant side effects and don’t interact with most medications.
Your vaginal health can change throughout your life. Some changes can result in a higher risk of vaginal infections, vaginal dryness, or itching. They can also affect your quality of life, sexual interest, or sexual comfort.
It’s no surprise that many people are interested in a natural way to address these issues. And that’s where probiotics come in. Probiotics are helpful in many areas of your body. Let’s take a closer look at how probiotics can help with your vaginal health.
How can probiotics affect vaginal health?
The vaginal microbiome varies from person to person and includes many types of bacteria. The most common type of bacteria in the vagina are from the Lactobacillus group.
Lactobacillus is a probiotic that can help support a healthy vagina by maintaining a proper pH balance. This balance keeps unwanted bacteria from living in your vagina.
Let’s see how vaginal probiotics like Lactobacillus may help with different aspects of female health.
Menopause
Estrogen levels go down during menopause. Estrogen is important because it supports vaginal tissues and Lactobacillus growth. As your estrogen levels drop, probiotics can help replenish the Lactobacillus in your vaginal tract.
Lactobacillus can also increase the cell lining in your vagina, which often decreases during menopause. This can help improve symptoms like vaginal dryness.
Medications
Certain medications can affect the types of bacteria that are in your vagina. Antibiotics, for example, can decrease helpful bacteria in your vagina like Lactobacillus. This imbalance can result in bacterial vaginosis or vaginal yeast infections.
Vaginal probiotics can help treat symptoms of vaginal yeast infections. And they may prevent bacterial vaginosis from coming back.
Sexual activity
Harmful bacteria can enter your vagina during sexual activity. This may happen from:
Frequent sexual intercourse
Multiple sexual partners (with or without condom use)
Vaginal sex after anal sex
Sexual intercourse can also affect vaginal pH, allowing harmful bacteria to outgrow the healthy bacteria. This may also be a risk factor for developing vaginal infections like bacterial vaginosis. Vaginal probiotics can help restore a healthy balance.
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Hygiene practices
Douching can remove healthy bacteria from your vagina and change vaginal pH. This makes it harder for healthy bacteria to grow. Both of these situations can negatively affect vaginal health.
In general, cleansing the inside of your vagina by douching isn’t needed. You only need to wash the outer skin and folds of your vulva with warm water (or a mild cleanser). This is enough to protect vaginal pH and bacteria. Adding vaginal probiotics like Lactobacillus can also help to improve the vaginal pH if it has changed.
Smoking
A 2018 study found that women who smoke can have tobacco compounds in their vaginal lining. This can change the chemical makeup of the vagina and change the bacteria that thrives there. Cigarette smoking may decrease the amount of Lactobacillus in your vagina and put you at risk for bacterial vaginosis.
Vaginal probiotics may help to counter these effects and support the growth of helpful bacteria. This can work to maintain a healthy environment in your vagina.
What vaginal conditions can probiotics be used for?
Probiotics may help improve vaginal health for a few vaginal conditions. Lactobacillus probiotics may help reduce symptoms of certain vaginal infection and menopause-related changes.
Bacterial vaginosis
Bacterial vaginosis (BV) is the most common cause of abnormal vaginal discharge among people in the U.S. between the ages of 15 and 44. BV is usually treated with antibiotics, but studies show that antibiotics may not fully remove the vaginal biofilm from the infection. This makes it easier for BV to come back.
Lactobacillus probiotics can break up the biofilm so antibiotics can reach the bacteria more easily. Studies have shown a lower rate of BV recurrence in people who used probiotics.
Vaginal dryness
Vaginal dryness is a common symptom in menopause as estrogen levels decrease. This can lead to:
An increased risk of bladder infections
Painful intercourse
Vaginal itching or irritation
Using estrogen together with probiotics has been shown to lessen symptoms of vaginal dryness.
Vaginal yeast infections
Vaginal yeast infections are mainly caused by the overgrowth of Candida yeast. Candida is normally present in a healthy vagina, but it can grow too much. Lactobacillus probiotics help to prevent the overgrowth of Candida. They can be used along with an antifungal to treat yeast infections.
There isn’t enough research to show whether probiotics alone can prevent or treat yeast infections. But Lactobacillus can also help antifungals work better. It may help to decrease resistance to fluconazole, a common treatment for yeast infections.
Top benefits of probiotics for women’s health
Probiotics can provide many benefits for vaginal health. This is especially true when taken consistently and paired with proper hygiene, balanced nutrition, and other treatments as needed.
Probiotics can provide these women’s health benefits below:
Restore healthy vaginal flora: Probiotics help put back the natural balance of bacteria in your vagina. This is especially helpful after infections like bacterial vaginosis or yeast infections.
Reduce recurring infections: Regular use of probiotics can lower the chance of bacterial vaginosis coming back. They’re more effective when taken alongside or after antibiotic treatment.
Maintain vaginal pH: By producing lactic acid, probiotics keep vaginal pH low. This creates an environment that discourages the growth of harmful bacteria and yeast.
Support immune defense: Probiotics strengthen the vaginal immune system, helping your body naturally fight infections.
Promote overall reproductive and hormonal health: A balanced vaginal microbiome can contribute to better reproductive wellness and support fertility. It can also ease some vaginal changes linked to hormonal fluctuations or menopause.
Probiotics offer a natural and effective way to support vaginal health. They can help women take a proactive role in maintaining long-term vaginal wellness and comfort.
How to use probiotics
The type and dosage of probiotics depend on why you need them. Probiotics for vaginal health can be taken orally (by mouth) as a supplement or inserted into your vagina as a suppository.
But some studies show that oral probiotics may be more effective than vaginal probiotics for bacterial vaginosis. If you’re thinking about using probiotics to improve your vaginal health, talk with a healthcare professional about the best type and dosage for you.
You may see improvements in vaginal health after using probiotics for 10 days. And effects can last after you’ve stopped the probiotic. The research is still ongoing, but most people seem to tolerate repeated or long-term probiotic use.
Are vaginal probiotics safe?
Probiotics appear to be safe for most people. Serious side effects are rare, and they aren’t known to interact with medications. That said, you should talk to a healthcare professional to make sure probiotics for your vaginal health are safe for you.
In theory, people who have a weak immune system may want to avoid probiotics. This includes people who:
Have active cancer
Are receiving cancer treatments
Have human immunodeficiency virus (HIV)
Are taking high-dose steroids
Have ever had an organ transplant
In these cases, you may be at a higher risk of developing a serious infection with probiotic use.
Frequently asked questions
Probiotics work best when they’re taken regularly. This allows healthy bacteria to establish balance in the vaginal microbiome. But daily use isn’t the same for everyone. The right frequency depends on your health needs, diet, and lifestyle. Some women benefit from taking probiotics every day, year-round. Others may use them for only a short time — such as after taking antibiotics or when having recurrent infections.
Vaginal probiotics don’t work right away. Most women start to feel a difference after about 1 to 2 weeks of regular use. It can take around 4 to 8 weeks for probiotics to help the vagina return to a healthy balance. It may take longer after an infection or taking antibiotics.
You can tell probiotics are working when your body starts to feel balanced again. For vaginal health, this might mean less itching, burning, or discharge. You might also notice fewer infections or that any odor has gone away. If you don’t notice changes after a few weeks, or if your symptoms get worse, talk with a healthcare professional.
Vaginal probiotics don’t directly change your hormones. They mostly help keep your vagina healthy by balancing the “good” bacteria and stopping infections. However, a healthy vaginal environment may indirectly support reproductive and hormonal health.
If your vaginal pH is off, it can let bad bacteria or yeast grow. You might notice:
Itching or irritation
Burning, especially when you pee
Discharge that looks or smells different
A strong or bad odor
These signs could mean you have vaginitis or that your vaginal balance is off. Probiotics, good hygiene, and talking to a healthcare professional can help get things back to normal.
Probiotics work best when they’re taken regularly. This allows healthy bacteria to establish balance in the vaginal microbiome. But daily use isn’t the same for everyone. The right frequency depends on your health needs, diet, and lifestyle. Some women benefit from taking probiotics every day, year-round. Others may use them for only a short time — such as after taking antibiotics or when having recurrent infections.
Vaginal probiotics don’t work right away. Most women start to feel a difference after about 1 to 2 weeks of regular use. It can take around 4 to 8 weeks for probiotics to help the vagina return to a healthy balance. It may take longer after an infection or taking antibiotics.
You can tell probiotics are working when your body starts to feel balanced again. For vaginal health, this might mean less itching, burning, or discharge. You might also notice fewer infections or that any odor has gone away. If you don’t notice changes after a few weeks, or if your symptoms get worse, talk with a healthcare professional.
Vaginal probiotics don’t directly change your hormones. They mostly help keep your vagina healthy by balancing the “good” bacteria and stopping infections. However, a healthy vaginal environment may indirectly support reproductive and hormonal health.
If your vaginal pH is off, it can let bad bacteria or yeast grow. You might notice:
Itching or irritation
Burning, especially when you pee
Discharge that looks or smells different
A strong or bad odor
These signs could mean you have vaginitis or that your vaginal balance is off. Probiotics, good hygiene, and talking to a healthcare professional can help get things back to normal.
The bottom line
Lactobacillus probiotics can help support vaginal health in many ways. They may help treat vaginal yeast infections and bacterial vaginosis. Probiotics may also help vaginal symptoms from menopause.
Scientists continue to study whether vaginal probiotics are better than oral probiotics. If you’re considering probiotics for your vaginal health, talk with a healthcare professional for guidance on the best one for you.
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References
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