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Symptoms of Unbalanced pH Levels: What You Need to Know

Hand with blue plastics gloves in from of a women inher underwera holding two PH testing sticks for PH balance tests.

Your vaginal pH level is super important for vaginal health overall, and it may begin changing during perimenopause or menopause. A balanced pH helps protect against infections and ensures a healthy vaginal environment. On the other hand, if your vaginal pH becomes unbalanced it can lead to discomfort and potential health issues. Here, an expert runs through the symptoms of unbalanced pH levels, what causes these imbalances, and how to restore and maintain a healthy vaginal pH.

What Are the Symptoms of Unbalanced Vaginal pH?

According to Stripes Advisory Board Member Cindy Meston, Ph.D, professor of clinical psychology and Director of the Sexual Psychophysiology Laboratory at the University of Texas at Austin, the normal vaginal pH for women in their reproductive years falls at or slightly below 4.5, while after menopause, a healthy pH may be slightly higher. A normal pH level indicates a slightly acidic environment, which helps create a protective barrier against harmful bacteria and prevents excessive yeast growth. If your vaginal pH becomes unbalanced, you’ll likely know something is up. Symptoms of unbalanced pH levels include: 

  • unusual vaginal odor that persists even after washing

  • changes in vaginal discharge such as differences in color, texture, or consistency

  • persistent itching or irritation in the vaginal area

  • pain or burning during urination

  • discomfort during intercourse

What Causes a Vaginal pH Imbalance?

While mild fluctuations in vaginal pH are normal, significant imbalances can be caused by various factors. If you’ve ever taken a course of a broad-spectrum antibiotic, you likely know how this can disrupt the natural balance of bacteria in the vagina, leading to pH changes. Sexual activity, including the exchange of bodily fluids through intercourse, digital penetration, or oral sex, can also impact vaginal pH. Additionally, the use of certain feminine hygiene products, such as scented sprays, douches, and improperly cleaned sex toys, may alter vaginal pH levels.

Potential Health Risks of Untreated pH Imbalance

If left untreated, a pH imbalance may lead to infections such as yeast infections or bacterial vaginosis (BV). Yeast infections are characterized by thick, white vaginal discharge, itching, and irritation. Bacterial vaginosis, which results from bacterial overgrowth, may present as a watery gray or green discharge with a fishy odor.

Table top display of probiotic foods with a probiotic pill container.


How to Maintain a Healthy Vaginal pH

To help restore and maintain a balanced vaginal pH, consider the following lifestyle and dietary changes:

  • Wear Breathable Fabrics: Opt for cotton underwear instead of synthetic materials to reduce moisture buildup.

  • Practice Good Hygiene: While the vagina is self-cleaning, wash the vulva with warm water and a washcloth to keep bacteria at bay.

  • Avoid Douches and Harsh Cleansers: These products can disrupt the natural vaginal flora.

  • Change Out of Wet Clothing Promptly: Extended exposure to dampness can contribute to imbalances.

  • Take a Probiotic Supplement like The Support System: Probiotics help maintain a healthy vaginal pH by promoting beneficial bacteria.

  • Eat Probiotic-Rich Foods: Think yogurt, kimchi, and sauerkraut.

Understanding the symptoms of unbalanced pH levels is key to maintaining vaginal health. If you notice any persistent changes, you should definitely consult your doctor or a healthcare provider for guidance. By making simple lifestyle adjustments and maintaining good hygiene practices, you can support a balanced vaginal pH — a yogurt a day may be all it takes.