Genital itching is extremely common, and the most likely cause is either a yeast infection or simple irritation from an everyday product. Yeast infections alone account for 35% to 40% of all cases of vulvar itching. The good news is that most causes are treatable, and many resolve with basic changes to your hygiene routine. Here’s what could be behind the itch and how to narrow it down.
Yeast Infections: The Most Common Cause
If your itching comes with thick, white, clumpy discharge that doesn’t have a strong smell, a yeast infection is the most likely culprit. These happen when naturally occurring fungus in the vagina overgrows, often after a course of antibiotics, during pregnancy, or in people with diabetes. The itching can range from mild to intensely uncomfortable, and you may also notice redness, swelling, or a burning sensation during urination or sex.
Over-the-counter antifungal treatments are widely available and effective for straightforward yeast infections. If you’ve had one before and recognize the symptoms, self-treatment is reasonable. But if it’s your first time, or if symptoms don’t improve within a few days of treatment, it’s worth getting checked to confirm the diagnosis.
Bacterial Vaginosis
Bacterial vaginosis (BV) is another extremely common infection, and it can feel similar to a yeast infection at first. The key difference is the discharge: BV typically produces a thin, white or gray discharge with a strong fishy smell, especially noticeable after sex. You may also experience burning during urination and itching around the outside of the vagina.
BV requires a different treatment than yeast infections, so getting the right diagnosis matters. Over-the-counter yeast treatments won’t help with BV, and untreated BV can increase your risk of other infections.
Products That Irritate Sensitive Skin
The skin around your genitals is some of the most sensitive on your body, and contact with everyday products is a surprisingly frequent cause of itching. Known irritants include soap, bubble bath, shampoo and conditioner (which rinse down in the shower), scented pads and panty liners, laundry detergent, dryer sheets, perfume, douches, talcum powder, spermicides, and even certain toilet paper brands. Synthetic underwear fabrics like nylon can also trap moisture and cause irritation.
If your itching started after switching to a new product, or if there’s no unusual discharge, irritation from a product is a strong possibility. The fix is straightforward: wash your vulva with warm water only, skip scented products entirely, switch to 100% cotton underwear, and use a mild, unscented laundry detergent. Many people notice improvement within a few days of eliminating the offending product.
Sexually Transmitted Infections
Trichomoniasis is an STI that frequently causes genital itching along with a clear, white, yellowish, or greenish discharge that may have a fishy smell. Symptoms typically appear 5 to 28 days after exposure, though many people carry the infection without symptoms for much longer. It’s easily treated with a prescription, but it won’t go away on its own.
Other STIs, including herpes and chlamydia, can also cause itching, though they tend to come with additional symptoms like sores, blisters, or pelvic pain. If you’ve had a new sexual partner or unprotected sex, getting tested is the fastest way to rule these out or get the right treatment.
Pubic Lice
Pubic lice (sometimes called crabs) cause persistent itching in the groin area. They’re small, flat, crab-shaped insects that attach to pubic hair, and you can sometimes spot them or their tiny eggs (nits) with the naked eye, though a magnifying glass helps. A lice-killing lotion or mousse is available over the counter at most pharmacies, and a single treatment is often enough.
Hormonal Changes and Menopause
Declining estrogen levels during perimenopause and menopause cause the vaginal lining to become thinner, drier, and more easily irritated. This condition affects a large number of postmenopausal women and can cause persistent itching, burning, and discomfort during sex. The drop in estrogen also reduces normal vaginal moisture and shifts the natural acid balance, making the tissue more fragile and prone to inflammation.
If you’re in your 40s or older and the itching came on gradually without unusual discharge, hormonal changes are a likely factor. Moisturizers designed for vaginal use can help with mild symptoms, and prescription estrogen-based treatments are effective for more significant dryness and irritation.
Chronic Skin Conditions
When itching persists for weeks and doesn’t respond to the usual treatments, a skin condition affecting the vulva may be the cause. Lichen sclerosus causes smooth, discolored patches of skin that can become thin, wrinkled, and fragile enough to bruise or blister easily. It’s most common in postmenopausal women and children under 10, though it can occur at any age.
Eczema and psoriasis can also affect the genital area, producing red, flaky, or thickened skin along with itching. These conditions need a specific diagnosis and treatment plan, since the wrong topical product can make them worse.
What Helps in the Meantime
While you’re figuring out the cause, a few things can reduce itching regardless of what’s behind it. Change out of wet or sweaty clothes and underwear as soon as possible. Avoid putting any soap, spray, or scented product inside or around your vagina. Stick with warm water for washing. An over-the-counter hydrocortisone cream (1%) is designed for temporary relief of external feminine itching and can take the edge off while you sort out next steps.
Certain patterns should prompt a quicker visit to a healthcare provider: symptoms that get worse or last longer than a week despite home care, blisters or open sores, a sudden change in the amount, color, odor, or consistency of discharge, fever, or pelvic pain. These can signal an infection that needs specific treatment rather than general itch relief.