Vulvar soreness has many possible causes, ranging from everyday irritation to infections, hormonal shifts, and chronic pain conditions. Most cases trace back to something treatable, and figuring out the cause starts with paying attention to your other symptoms, what the skin looks like, and when the soreness started.
Irritation From Products or Friction
The vulva’s skin is thinner and more sensitive than skin elsewhere on your body, which makes it especially reactive to chemicals and physical friction. Contact dermatitis, a fancy term for an irritation reaction, is one of the most common reasons for vulvar soreness. The list of potential triggers is long: soap, bubble bath, shampoo, laundry detergent, perfume, douches, talcum powder, dryer sheets, pads, panty liners, tampons, spermicides, toilet paper, tea tree oil, synthetic underwear fabrics like nylon, and even nickel or dyes in clothing. If your soreness appeared after switching any product that touches the area, that product is a likely culprit.
Physical friction is just as common. Cycling, tight jeans, rough sex, large sex toys, or going without enough lubrication during intercourse can all cause small tears or raw patches on the vulva. Most friction-related tears heal on their own within a day or two. Wearing loose clothing and cotton underwear (or skipping underwear entirely) while you heal helps speed things along. If you recently gave birth vaginally, wait at least six weeks before penetrative sex to avoid reopening tears.
Yeast Infections and Other Infections
An estimated 75% of women will have at least one yeast infection in their lifetime, and 40 to 45% will have two or more. Yeast infections typically cause intense itching and burning alongside a thick, white discharge that’s sometimes described as cottage cheese-like. The vulvar skin often looks red and swollen.
Bacterial vaginosis (BV) is another common infection, though it tends to cause more of a fishy odor and a thin, grayish discharge than the burning soreness of a yeast infection. BV can still make the vulva feel uncomfortable, especially during urination. Trichomoniasis, a sexually transmitted infection, can produce a frothy, yellowish-green discharge with a strong smell, along with significant irritation and soreness.
Herpes simplex virus causes painful blisters or open sores on the vulva that can be intensely sore, particularly during a first outbreak. These sores are usually visible and tender to the touch. If you notice blisters, clusters of small ulcers, or flu-like symptoms alongside vulvar pain, a herpes test can confirm or rule it out.
Low Estrogen and Vaginal Atrophy
If you’re going through menopause, breastfeeding, or have had your ovaries removed, low estrogen levels can make the vulvar and vaginal tissue thinner, drier, and more fragile. Without enough estrogen, the lining loses its moisture and stretchiness. Blood flow to the area drops. The acid balance shifts. All of this makes the tissue more likely to crack, sting, or feel raw, especially during sex or even from sitting too long.
This condition, called vaginal or vulvovaginal atrophy, is extremely common in postmenopausal women but often goes unmentioned because people assume it’s just a normal part of aging they have to tolerate. It’s not. Topical estrogen treatments applied directly to the area can restore moisture and thickness to the tissue, and non-hormonal moisturizers designed for the vulva can also help.
Skin Conditions Affecting the Vulva
The vulva is skin, and it can develop the same dermatologic conditions that show up elsewhere on the body, plus a few that are specific to the genital area.
Lichen sclerosus is one of the more significant ones. It causes white, shiny patches that can look porcelain-like, and the affected skin becomes thin and fragile. Over time, it can cause the labia minora to gradually shrink or fuse, and the vaginal opening can narrow. The soreness tends to be accompanied by intense itching and sometimes tearing or bleeding from minor friction. Lichen sclerosus often appears in a butterfly or figure-eight pattern around the vulva and anus. It requires ongoing treatment, usually with a prescription steroid ointment, because untreated cases can lead to permanent changes in the vulvar architecture and carry a small risk of progressing to cancer.
Eczema and psoriasis can also affect the vulva, causing red, flaky, or cracked skin that burns or itches. These conditions look a bit different on vulvar skin than they do on elbows or knees because the area stays moist, so the typical scaly appearance may be less obvious.
Vulvodynia: Chronic Pain Without a Visible Cause
If your vulva has been sore for three months or longer and no infection, skin condition, or obvious irritant explains it, vulvodynia may be the diagnosis. Vulvodynia is chronic vulvar pain that has no identifiable cause. It can feel like burning, stinging, rawness, or throbbing. Some women feel it constantly across the entire vulva (generalized vulvodynia), while others feel it only at the vaginal opening when pressure is applied, like during sex, tampon insertion, or even sitting (localized vulvodynia, sometimes called vestibulodynia).
Diagnosis typically involves a simple test where a clinician touches different spots on the vulva with a cotton swab to map exactly where the pain occurs and rule out other conditions. There’s no single lab test for vulvodynia, so it’s often a diagnosis of exclusion.
Treatment usually takes a layered approach. Pelvic floor physical therapy is a first-line option because many women with vulvodynia have tight, overactive pelvic floor muscles that contribute to the pain. A specialized physical therapist works on releasing tension in those muscles through internal and external techniques, biofeedback, and exercises you practice at home. Topical ointments tend to be better tolerated than creams for this condition, since creams contain more preservatives that can cause additional burning. Some women benefit from medications originally designed for nerve pain, and others find relief through nerve stimulation techniques. When the pain is localized to one area and nothing else has worked, a surgical procedure that removes the painful tissue can be effective as a last resort.
Signs That Need Prompt Attention
Most vulvar soreness is caused by something benign and temporary. But certain signs warrant a closer look sooner rather than later. Vulvar cancer is rare, but its early symptoms overlap with many common conditions, which means it can be easy to dismiss. Be aware of itching, burning, or bleeding that does not go away, along with skin color changes where the vulva looks unusually red or white compared to your normal. Sores, lumps, or ulcers that persist, or what looks like a rash or wart that doesn’t resolve, also deserve evaluation. Pelvic pain during urination or sex that lingers is another signal.
The general guidance is that any vulvar symptom lasting two weeks or longer that isn’t normal for you is worth getting examined. This is especially true for a non-healing sore or a new lump, since these are the findings most likely to prompt a biopsy to rule out precancerous or cancerous changes.
Simple Steps to Reduce Vulvar Soreness
While you’re figuring out the underlying cause, a few practical changes can reduce irritation. Switch to fragrance-free soap (or wash with water only), use unscented laundry detergent, and skip dryer sheets. Choose white, unscented toilet paper. Wear cotton underwear or go without when you can. Avoid sitting in wet swimsuits or sweaty workout clothes. Use a water-based, fragrance-free lubricant during sex if dryness is a factor.
If the soreness started after a new product, eliminate it and give your skin about a week to calm down. If the soreness is accompanied by unusual discharge, blisters, white patches, or a lump that won’t go away, those clues point toward a specific diagnosis that benefits from professional evaluation rather than home management alone.