Vaginal thrush produces a thick, white discharge often described as having a “cottage cheese” appearance, along with visible redness and swelling of the vulva and vaginal opening. These are the hallmark signs, but the full picture varies depending on severity, and thrush can sometimes be confused with other conditions that look quite different.
The Discharge
The most recognizable sign of vaginal thrush is the discharge. It’s typically white, thick, and clumpy, with a texture that closely resembles cottage cheese. It tends to stick to the vaginal walls rather than flowing freely. Some women notice a mild yeasty smell, but thrush discharge often has little to no odor at all. This is one of the key ways it differs from other vaginal infections.
The amount of discharge varies. Some women produce a noticeable amount, while others see very little. In mild cases, the discharge may just look like slightly thicker versions of normal vaginal moisture, making it easy to overlook if itching isn’t prominent.
Redness, Swelling, and Skin Changes
Beyond the discharge, thrush causes visible changes to the skin of the vulva and the tissue around the vaginal opening. The most common signs include:
- Redness: The vulva and vaginal entrance often look noticeably red or inflamed, sometimes extending to the inner thighs or the skin between the vagina and anus.
- Swelling: The labia and surrounding tissue can appear puffy or swollen, particularly during a more intense episode.
- Scratch marks: Because thrush causes intense itching, many women develop small scratch marks (excoriations) on the vulvar skin from scratching.
In mild cases, redness may be subtle and limited to the area immediately around the vaginal opening. The skin might just look slightly irritated, similar to a mild rash.
What Severe Thrush Looks Like
When thrush becomes severe, the visual signs are more dramatic. The CDC describes severe cases as involving extensive redness across the vulva, significant swelling, visible scratch damage to the skin, and fissures. Fissures are small splits or cracks in the skin, similar to what you’d see at the corners of chapped lips. They typically appear in the folds of the vulvar skin or near the vaginal opening and can sting sharply, especially during urination or sex.
Severe episodes tend to respond more slowly to standard short courses of treatment. If you’re seeing cracked or split skin alongside the other symptoms, it generally indicates a more intense infection that may need a longer treatment course.
How Thrush Looks Different From Other Infections
Several other vaginal conditions cause discharge or irritation, but each one looks distinct from thrush.
Bacterial vaginosis (BV) produces a thin, grayish discharge that’s usually heavier in volume than thrush discharge. The texture is watery or milky rather than clumpy. The biggest giveaway is smell: BV causes a noticeable fishy odor, especially after your period or after intercourse. Thrush rarely produces a strong odor.
Trichomoniasis, a sexually transmitted infection, causes a yellow or greenish discharge that can look frothy or bubbly. It often comes with a strong, unpleasant smell and may cause redness and irritation, but the color and texture of the discharge are clearly different from the white, cottage cheese look of thrush.
Genital herpes looks nothing like thrush. It causes clusters of small, fluid-filled blisters around the vagina or vulva. These blisters eventually break open, crust over, and heal over 7 to 10 days. Herpes causes pain rather than the itching and burning that characterize thrush, and there’s no unusual discharge.
If your symptoms don’t match the classic thrush pattern, or if you’re seeing blisters, strongly colored discharge, or a fishy smell, it’s worth getting tested rather than treating for thrush on your own.
What You’ll Feel Alongside the Visual Signs
Thrush isn’t just visible. The sensation often drives women to look in the first place. Intense itching of the vulva and vaginal opening is the most common symptom and often the first one to appear. Burning is also typical, particularly during urination when urine contacts the inflamed skin, or during intercourse. Some women describe a general soreness or rawness around the whole area, even when they’re not actively touching or irritating it.
These sensations usually match up with the visible signs. More redness and swelling generally means more discomfort. Mild cases might involve itching with barely visible changes, while severe cases pair intense burning with obviously inflamed, cracked skin.
How Quickly It Clears Up
With antifungal treatment, whether a vaginal cream or suppository, thrush typically clears within 1 to 6 days depending on the product used. Most women notice itching and burning improving within the first day or two, with the discharge and visible redness taking a bit longer to fully resolve. One course of treatment is usually enough for a straightforward episode.
Recurrent thrush, defined as four or more episodes in a year, can mean the visual signs become familiar. Each episode tends to follow the same pattern of redness, swelling, and characteristic discharge. Women who experience recurrent episodes often recognize the earliest subtle signs before a full flare develops.