Vaginal pain has a wide range of causes, from a simple irritation that resolves on its own to infections that need treatment. About 90% of cases where pain comes with unusual discharge trace back to one of three common infections: bacterial vaginosis, yeast infections, or trichomoniasis. But pain without discharge points to other possibilities, including skin irritation, hormonal changes, or chronic pain conditions. Understanding what your specific symptoms look like can help you figure out what’s going on.
Infections: The Most Common Cause
If your pain comes with unusual discharge, an infection is the most likely explanation. Bacterial vaginosis accounts for 40 to 50% of all vaginitis cases, making it the single most common culprit. Yeast infections cause another 20 to 25%, and trichomoniasis (a sexually transmitted parasite) makes up 15 to 20%. Each one looks and feels different.
With a yeast infection, discharge is typically thick, white, and odorless. You may notice a white coating in and around the vagina, along with intense itching and soreness. Bacterial vaginosis, by contrast, tends to produce grayish, foamy discharge with a fishy smell, though it’s also common for BV to cause no noticeable symptoms at all. Trichomoniasis often causes yellow-green discharge, irritation, and discomfort during urination.
All three are treatable, but they require different approaches. Yeast infections can sometimes be managed with over-the-counter antifungal treatments, while BV and trichomoniasis require prescription medication. If you’re unsure which one you’re dealing with, or if over-the-counter treatment isn’t working after a few days, a provider can run a simple swab test to identify the cause.
Irritation From Everyday Products
The vulvar skin is significantly more sensitive than skin elsewhere on the body, and contact with common household products is a frequent source of burning, stinging, or rawness that can feel like it’s coming from inside the vagina. Known irritants include soap, bubble bath, shampoo, deodorant, perfume, douches, talcum powder, laundry detergent, dryer sheets, tea tree oil, spermicides, and dyes in colored toilet paper or underwear.
This type of pain usually starts or worsens after you introduce a new product, switch detergent brands, or use something with added fragrance. If you suspect an irritant, the fix is straightforward: eliminate the likely cause, wash the area with plain warm water only, and wear loose cotton underwear while the irritation clears. Most cases improve within a few days once the trigger is removed.
STIs That Cause Vaginal Pain
Sexually transmitted infections can cause vaginal pain that ranges from a dull ache to sharp, burning discomfort. Chlamydia and gonorrhea, two of the most common STIs, often produce painful urination that feels like burning, lower abdominal pain, lower back pain, and sometimes bleeding between periods. Many people with chlamydia have no symptoms at all initially, which is why routine screening matters if you’re sexually active with new partners.
Genital herpes causes a different kind of pain. During a first outbreak, you may notice small blisters or open sores on or around the vulva that sting or burn, along with flu-like symptoms such as headache, muscle aches, fever, and swollen lymph nodes in the groin. Later outbreaks are usually milder. HPV, the virus behind genital warts, can also cause bumps that feel irritating or uncomfortable, though many HPV strains produce no visible symptoms.
Hormonal Changes and Vaginal Dryness
If you’re in perimenopause, menopause, or postmenopause, declining estrogen levels are a very common reason for vaginal pain. Lower estrogen causes the vaginal lining to become thinner, drier, less elastic, and more fragile. This condition, sometimes called genitourinary syndrome of menopause, affects a large proportion of postmenopausal women and tends to get worse over time without treatment.
Symptoms include persistent dryness, burning, and itching in the vagina, a burning sensation during urination, and pain during sex from reduced lubrication. Some women also experience light bleeding after intercourse. Over time, the vaginal canal can shorten and tighten. Breastfeeding, certain medications, and surgical removal of the ovaries can also cause similar estrogen drops at younger ages. Prescription estrogen therapies applied locally to the vagina are the most effective treatment, and over-the-counter vaginal moisturizers can help with day-to-day comfort.
Chronic Pain Conditions
Some vaginal pain doesn’t trace back to an infection, an irritant, or a hormonal shift. Two conditions worth knowing about are vulvodynia and vaginismus.
Vulvodynia is chronic pain at the vulva or vaginal opening lasting three months or more, without an identifiable cause. It can be constant or triggered by touch, sitting, or wearing tight clothing. The pain is often described as burning, stinging, or rawness. It’s a real, recognized condition, not “in your head,” and treatment typically involves a combination of approaches including pelvic floor physical therapy, topical numbing agents, and sometimes nerve-targeting medications.
Vaginismus involves involuntary muscle tightening around the vaginal opening when penetration is anticipated or attempted. The spasms can range from mildly uncomfortable to intensely painful, and you can’t control them. They may happen when you try to insert a tampon, during sex with a partner, or when a provider attempts to use a speculum during a pelvic exam. Some people experience it in all penetration situations, while others only in certain contexts. Pelvic floor physical therapy is the primary treatment and has high success rates.
Soothing Pain at Home
While you’re figuring out the cause or waiting for treatment to work, a sitz bath can provide temporary relief. Fill your bathtub or a plastic sitz bath basin with 3 to 4 inches of warm water (around 104°F or 40°C) and soak for 15 to 20 minutes. Use plain warm water only. Epsom salts, oils, and other additives can cause further inflammation unless a provider specifically recommends them. Pat the area dry gently with a clean towel afterward, and don’t rub. You can repeat this three to four times a day if it’s helping.
Beyond sitz baths, avoid anything with fragrance near the vulva, switch to a dye-free and fragrance-free laundry detergent for underwear, and skip tight pants or synthetic underwear while you’re in pain. If your pain worsens after a sitz bath or the area becomes red and swollen, stop and seek care.
Signs That Need Prompt Attention
Most vaginal pain resolves with the right treatment, but certain combinations of symptoms signal something more serious. Pelvic inflammatory disease, which happens when an infection like chlamydia or gonorrhea spreads to the uterus and fallopian tubes, can cause lasting damage to your fertility if left untreated. Warning signs include severe lower abdominal pain, fever above 101°F (38.5°C), nausea, vomiting, and pain that doesn’t improve within a few days of starting treatment.
You should also seek care promptly if you notice unusual vaginal bleeding alongside pain, if pain is severe enough to interfere with walking or daily activities, or if you’re pregnant and experiencing new vaginal pain. Pain accompanied by difficulty urinating or a high fever warrants same-day evaluation.