Ask an Ob/Gyn: Can tampons cause yeast infections?

TL/DR: While there’s no scientific proof that tampons cause yeast infections, they can disrupt the vaginal mucosa and, in some cases, irritate the vaginal walls – increasing your discomfort (1). OB-GYN Dr. Jane van Dis drops some knowledge on how to safely deal with a yeast infection during your period. 

A yeast infection on your period — name a more uncomfortable and annoying duo. We’ll wait.

It’s bad enough to get an itchy yeast infection, but when coupled with your period, things can get really uncomfortable. Plus, the different products we use to manage our periods (like tampons and pads) have the potential to further irritate the vagina and/or vulva.1

What is a yeast infection, though? If you’re one of the lucky few who has yet to experience one, here’s a quick explanation:

A yeast infection, aka vaginal candidiasis, is a fungal infection that affects the tissues around the vagina and vulva.2 Over 75 percent of people with vaginas experience yeast infections in their lifetime. Symptoms include intense itching in the vagina and vulva, a burning sensation during intercourse or peeing, and sometimes a thick, white, odor-free vaginal discharge that looks like cottage cheese (apologies for that visual). 

Yeast infections tend to crop up when the precariously balanced ecosystem of vaginal microorganisms gets disrupted. In a “perfect” vaginal world, you have enough good bacteria (i.e. lactobacillus) in that ecosystem to feed on yeast (i.e. candida) populations and keep them under control. Having yeast in the vagina is normal, it’s just the overgrowth of yeast that causes an infection to occur. 

When you’re pregnant or taking antibiotics, these yeast populations can sometimes get a little bit out of hand – and, it’s worth mentioning, individuals with diabetes, a compromised immune system, or those using hormonal contraceptives are also more prone to candida overgrowth.2 That’s usually when the itching starts and you realize it’s time to pick up some Monistat (or any antifungal), stat. 

So, do tampons have an impact on recurring yeast infections? And how do you deal with a yeast infection during your period? We asked Dr. Jane van Dis, a board-certified OB-GYN with 13 years of experience, to help us answer those questions and give us some advice on beating the itch.

Tampons & yeast infections: What’s the deal?

If you’re a longtime tampon user who experiences frequent yeast infections, it’s natural to wonder if there’s any correlation between the two (especially if the yeast infections tend to show up during or around your period). Here’s what the science tells us: 

According to a 2011 study published in the American Journal of Public Health, there’s actually no association between the type of menstrual protection you use and more frequent occurrences of yeast infections, or candidiasis.3 The same study also found no correlation between yeast infections and tight clothing, diet, synthetic underwear, or use of feminine hygiene sprays. 

So, tampons don’t cause yeast infections directly, nor is it unsafe to use them when you have a yeast infectionhowever, there’s a chance they could increase your discomfort: Tampons have been associated with changes in vaginal mucous and, in some cases, vaginal ulcerations (sores that appear on the vaginal walls) when used heavily or changed frequently.1 

Long story short, any materials that are not biologically inert that come in contact with your vagina have the potential to interfere with that delicate ecosystem of yeast and bacteria we mentioned earlier.4 What’s ‘inert’ mean? Basically, it’s any material that doesn’t cause a response or interaction when introduced to biological tissue (in this case, your vaginal walls). 

When shopping for period products, take a moment to read the ingredients on the box. Absorbent materials like cotton and other natural or synthetic fibers are more likely to disrupt the vaginal mucosa 1; synthetic fibers may also release toxins into your bloodstream via your vagina’s highly vascularized walls.5 Inert materials, on the other hand, have no effect on vaginal flora or pH. 

Dr. Jane says, “While it’s safe to use tampons when you have a yeast infection, it may not be comfortable. If I had a choice between a tampon and the Flex Disc™, I would choose the disc because it’s not a paper product, but [is made of] inert materials that don’t interact with the vaginal flora.” Flex® = less itchy messes, and less awkward movements in public when you’re trying to sneak a discreet scratch to your crotch area. 

How to treat a yeast infection during your period

If you’re battling a yeast infection on your period, you might be wondering how the heck to treat it when you already have a lot of, um, fluid going on down there. Do over the counter medications like Monistat (miconazole nitrate) still work? Yes, they do!

“Women [and non-women with periods] can still use antifungal vaginal preparations during their period,” Dr. Jane notes. “I would recommend placement at night right before bed.” It may seem silly to use a suppository when your vagina feels like a bloody slip and slide, but it can still be effective. By putting it in right before bed, gravity won’t interfere with the medication doing its job. 

If more traditional antifungal yeast infection medications aren’t helping, you can also try boric acid suppositories: Clinical studies have found boric acid to be successful in treating candidiasis when other methods have failed.6 Note that boric acid should not be used if you are pregnant. 

However: Don’t use suppositories (of any kind) with a tampon, since tampons will absorb some of the medication and prevent it from working as well.7 You may also want to avoid using a menstrual cup, since the ingredients in the suppository could damage the cup’s materials. Stick with breathable, reusable period underwear, menstrual discs, or pads while using suppositories to treat a yeast infection. 

If you use pads, make sure to change them frequently: Yeast thrives in high-moisture environments 8, so one of the best ways you can help your body fight off a yeast infection is by giving your vagina room to breathe. In other words, going about your day with a soaked pad or pair of period underwear may be counterproductive. One study even found a correlation between frequent sanitary pad use and a higher incidence of yeast infections, so pads could be more likely to trigger a yeast infection in the first place.9 

Most people should be able to treat yeast infections during their period at home, per Dr. Jane’s recommendations. But if you don’t see results from at-home treatments, or if you experience even more discomfort, it’s a good idea to talk to your doctor.

The right period product changes everything

If it seems like you always get yeast infections around your period, hormones (rather than tampons) may be the culprit. Dr. Jane explains, “Hormonal fluctuations preceding menses and during menses can lead to changes in pH and levels of ‘good bacteria,’ or vaginal flora.” In some individuals, these hormonal changes cause yeast populations to grow – and, voila, you have a yeast infection. 

Luckily, using the right period products can help manage itchiness and discomfort when this destructive duo strikes. Menstrual discs and cups made of inert materials won’t mess with your vagina’s bacterial ecosystem, and neither will most externally-worn period products (like pads or period underwear) as long as they’re changed frequently. 

Tampons trap moisture, so they may not be the best choice during a yeast infection – but they haven’t been shown to actually cause yeast infections. Keep in mind, however, that many tampon brands are made of synthetic materials that could potentially release toxins into your bloodstream and disrupt the vaginal microbiome.5 

Remember, never leave a tampon in for longer than 8 hours. If you think you have a yeast infection but experience a sudden high fever, drop in blood pressure, vomiting, or diarrhea, seek medical attention immediately. These could be signs of Toxic Shock Syndrome (TSS), a potentially fatal illness.10 

As always, talk to your doctor if you experience recurrent yeast infections, severe pain, vaginal inflammation, or any other unusual symptoms.

This article is informational only and is not offered as medical advice, nor does it substitute for a consultation with your physician. If you have any gynecological/medical concerns or conditions, please consult your physician. 

© 2021 The Flex Company. All Rights Reserved.

References (Click to open/close)

  1. Friedrich, E. G. (1981). Tampon effects on vaginal health. Clinical Obstetrics and Gynecology, 24(2), 395-406. doi:10.1097/00003081-198106000-00007Friedrich, E. G. (1981). Tampon effects on vaginal health. Clinical Obstetrics and Gynecology, 24(2), 395-406. doi:10.1097/00003081-198106000-00007Friedrich, E. G. (1981). Tampon effects on vaginal health. Clinical Obstetrics and Gynecology, 24(2), 395-406. doi:10.1097/00003081-198106000-00007
  2. Yeast infection (vaginal) – Symptoms and causes. (2019, July 16). Mayo Clinic. Retrieved from infection (vaginal) – Symptoms and causes. (2019, July 16). Mayo Clinic. Retrieved from
  3. Foxman, B. (1990). The epidemiology of vulvovaginal candidiasis: Risk factors. American Journal of Public Health, 80(3), 329-331. doi:10.2105/ajph.80.3.329
  4. Nowak-Sadzikowska, J., Bulanda, M., & Heczko, P. B. (1994). Wpływ tamponów dopochwowych na flore bakteryjna dolnego odcinka dróg rodnych [Effect of vaginal tampons on bacterial flora of the lower genitalia]. Polski tygodnik lekarski (Warsaw, Poland: 1960), 49(8-9), 207–209
  5. Nicole, W. (2014). A question for women’s health: Chemicals in feminine hygiene products and personal lubricants. Environmental Health Perspectives, 122(3). doi:10.1289/ehp.122-a70Nicole, W. (2014). A question for women’s health: Chemicals in feminine hygiene products and personal lubricants. Environmental Health Perspectives, 122(3). doi:10.1289/ehp.122-a70
  6. Keller Van Slyke, K., Michel, V. P., & Rein, M. F. (1981). Treatment of vulvovaginal candidiasis with boric acid powder. American Journal of Obstetrics and Gynecology, 141(2), 145-148. doi:10.1016/s0002-9378(16)32581-9
  7. Vaginal Suppositories: How to Use Them. (2017, May 22). Healthline. Retrieved from
  8. Usher, M. B., & Stoneman, C. F. (1977). Folsomia Candida – an ideal organism for population studies in the laboratory. Journal of Biological Education, 11(2), 83-90. doi:10.1080/00219266.1977.9654123
  9. Leegaard, M. (1984). The incidence of candida Albicans in the vagina of “Healthy young women”: How often do they have symptoms? Possible etiological factors. Acta Obstetricia et Gynecologica Scandinavica, 63(1), 85-89. doi:10.3109/00016348409156280
  10. Toxic shock syndrome – Symptoms and causes. (2020, March 18). Mayo Clinic. Retrieved from