Different STDs produce different visible signs on the vulva and vaginal area, and some produce no visible signs at all. The most common changes you might notice include sores, blisters, unusual bumps, rashes, redness around the vaginal opening, or a change in your discharge. Here’s what each major STD typically looks like and how to tell them apart from harmless conditions.
Herpes (HSV)
Genital herpes is one of the most recognizable STDs because it follows a distinct pattern. Before anything appears on the skin, you may feel stinging, itching, or tingling in the area. Within a day or two, small fluid-filled blisters appear, sometimes in clusters. These blisters are often the size of a pinhead and can show up on the labia, near the vaginal opening, or on surrounding skin.
The blisters eventually burst, leaving behind painful red sores that look like open cuts or cracked skin. These ulcers can be quite tender and may burn during urination if they’re near the urethra. The sores typically crust over and heal within two to four weeks during a first outbreak, faster in recurrent ones. Some people also experience fever, body aches, fatigue, and swollen lymph nodes, especially during the first episode.
Genital Warts (HPV)
Genital warts caused by certain strains of HPV look very different from herpes. They appear as flesh-colored or slightly pink growths around the vaginal opening, labia, perineum, or perianal skin. The texture varies: some warts are flat and smooth, some are raised like small dome-shaped bumps, and some grow on a narrow stalk. When multiple warts cluster together, they can take on a rough, cauliflower-like texture.
Warts are usually painless, though they can itch. They tend to grow slowly over weeks or months and can appear as a single bump or in groups. Unlike herpes, they don’t burst open or crust. Warts can also develop inside the vaginal canal or on the cervix, where you wouldn’t be able to see them yourself.
Syphilis
The first sign of syphilis is a single sore called a chancre (pronounced “SHANG-kur”). It appears at the exact spot where the bacteria entered your body, which could be on the labia, inside the vagina, or around the vaginal opening. The chancre is round, firm, and usually painless, which is why many people miss it entirely. It can look like a clean, smooth crater with raised edges.
Because the sore doesn’t hurt and often appears in spots that are hard to see, syphilis frequently goes unnoticed in women. The chancre heals on its own within three to six weeks, but this doesn’t mean the infection is gone. Without treatment, syphilis progresses to a second stage that can cause a widespread rash, often on the palms and soles, along with other symptoms.
STDs That Change Your Discharge
Several STDs don’t cause visible sores or bumps but instead change the color, consistency, or smell of vaginal discharge. These are easy to overlook because discharge naturally varies throughout your cycle.
Trichomoniasis, a parasite-based infection, often produces a frothy, yellow-green discharge with a strong, unpleasant odor. It can also cause irritation, soreness, and redness around the vaginal opening. During a clinical exam, a healthcare provider may notice what’s called a “strawberry cervix,” where the cervix looks red and spotted due to tiny areas of inflammation. You wouldn’t see this yourself, but the external redness and unusual discharge are noticeable.
Chlamydia and gonorrhea can both cause yellow or greenish discharge, though many women with these infections have no symptoms at all. When symptoms do appear, they may include burning during urination, spotting between periods, or a general sense of irritation. Bright yellow or green discharge that’s clearly different from your norm warrants testing.
Molluscum Contagiosum
Molluscum contagiosum is a viral infection that produces small, raised bumps on the skin. These bumps are usually white, pink, or skin-colored, feel firm to the touch, and have a distinctive dip or dimple in the center. They range from the size of a pinhead to the size of a pencil eraser. On the vulva or pubic area, they can appear in scattered groups and are generally painless.
Molluscum spreads through skin-to-skin contact and is considered an STD when it appears in the genital area. The bumps don’t turn into open sores on their own, and they eventually clear without treatment, though that can take months. Treatment is usually recommended when bumps appear around the genitals to reduce the chance of spreading the virus to a partner.
What Isn’t an STD
Not every bump or sore in the genital area is an STD, and knowing the differences can save you a lot of anxiety. Some of the most common lookalikes:
- Ingrown hairs are common after shaving or waxing. They appear as red, raised bumps that may look like pimples, feel warm to the touch, and often have a visible hair at the center. They tend to resolve on their own within a few days. Herpes sores, by contrast, appear more like open scratches or raw areas, often come in clusters, and may be accompanied by flu-like symptoms.
- Fordyce spots are tiny, pale bumps that appear naturally on the labia. They’re visible oil glands under the skin, completely harmless, and don’t change in size or become sore.
- Bartholin’s cysts develop on one side of the vaginal opening, where a small lubricating gland gets blocked. A non-infected cyst feels like a painless, marble-sized lump. If it becomes infected and forms an abscess, it grows tender, painful, and can make walking or sitting uncomfortable. These aren’t contagious and aren’t related to STDs.
Why Visual Checks Aren’t Enough
The challenge with identifying STDs by appearance alone is that many overlap in how they look, and some of the most common infections, like chlamydia and gonorrhea, often produce no visible changes at all. Herpes can look like an ingrown hair. A syphilis chancre can be hidden inside the vaginal canal. HPV can exist without ever producing a single wart.
Testing is the only reliable way to know what you’re dealing with. If you notice any new sore, bump, unusual rash, or change in discharge that doesn’t match your normal pattern, getting tested gives you a clear answer and, for most STDs, a straightforward path to treatment.