Most HPV infections are completely invisible. The virus infects over 80% of sexually active people at some point, and the vast majority never develop any visible sign of it. When HPV does produce something you can see, it typically appears as small, skin-colored bumps on or around the genitals, though the exact look depends on the type of HPV, where it shows up, and how long it’s been there.
There are over 200 types of HPV, and they don’t all behave the same way. The strains that cause visible warts (types 6 and 11 account for over 90% of genital warts) are different from the high-risk strains (types 16 and 18) that can lead to cancer. High-risk strains almost never produce anything you can see or feel on your own. That distinction matters: a visible wart is usually not a cancer risk, and the strains that are a cancer risk usually leave no visible trace.
How Genital Warts Look and Feel
Genital warts are the most recognizable sign of HPV. They’re rough-textured and can appear flesh-colored, pink, or brown. Early on, they tend to be small and flat, sometimes so tiny you can’t see them at all. Over time, if untreated, they can grow larger and cluster together into masses with a bumpy, cauliflower-like surface. Some warts stay flat against the skin, while others are raised on a narrow stalk, almost like a tiny mushroom.
They grow on or around the genitals and anus: on the vulva, inside or around the vagina, on the penis or scrotum, and around or inside the anus. A single wart might appear alone, or several can show up at once. People with weakened immune systems are more likely to develop larger clusters. The warts themselves are usually painless, though they can occasionally itch.
Warts on Other Parts of the Body
HPV doesn’t only affect the genitals. Different strains cause warts on the hands, feet, and face.
- Common warts are rough, raised bumps that typically appear on the fingers, hands, and knees. They often have a grainy texture with tiny black dots (clotted blood vessels) visible on the surface.
- Plantar warts grow on the soles of the feet and get pushed inward by the pressure of walking, so they feel like a hard, thick patch of skin. They can be painful when you stand or walk on them.
- Flat warts are small, smooth, slightly raised bumps that tend to appear in groups, often on the face, forearms, or legs. They’re subtler than other wart types and easy to overlook.
None of these non-genital warts are caused by the same HPV strains responsible for genital warts or cancer. You can’t spread a common hand wart to someone’s genitals through contact.
HPV in the Mouth and Throat
Oral HPV can produce small sores or warts on the lips, inside the mouth, or in the throat. These are relatively uncommon and often go unnoticed. When high-risk oral HPV does progress toward cancer, it usually starts as a tiny lump on the tonsils or the base of the tongue, making it nearly impossible to spot in early stages. As it advances, a white or red patch may appear on the tonsils.
What High-Risk HPV Looks Like (Or Doesn’t)
The most dangerous strains of HPV, the ones linked to cervical, anal, and throat cancers, typically cause no visible symptoms at all. That’s what makes them tricky. Changes from high-risk HPV happen at the cellular level, deep in tissue that you can’t examine yourself.
During a medical exam, a clinician can sometimes detect these changes. On the cervix, for instance, HPV-related abnormalities appear as bright white patches after a dilute vinegar solution is applied to the tissue. These patches often have irregular, map-like borders and may include fine tile-like patterns on the surface. Some lesions show up as raised, lumpy, white spots with finger-like projections, each containing a tiny blood vessel at its core. None of this is visible to the naked eye under normal conditions, which is why screening (Pap tests and HPV tests) exists.
What HPV Can Be Confused With
Several other conditions can look similar to genital warts, which is why visual self-diagnosis is unreliable.
Molluscum contagiosum produces small (2 to 5 millimeter), firm, dome-shaped bumps that are white or flesh-colored, sometimes with a dimple in the center. Unlike warts, they tend to be smooth and uniform and may contain clear or white fluid. They can appear on the genitals, inner thighs, and abdomen, but also on the face, neck, and chest.
Pearly penile papules are tiny, smooth, dome-shaped bumps that line the edge of the head of the penis in neat rows. They’re completely normal anatomy, not an infection, and they don’t change in size or spread. Skin tags are soft, hanging flaps of skin that can appear in the groin area, especially where skin folds rub together. They lack the rough, grainy texture of warts.
The key differences with HPV warts: they tend to have a rough or irregular surface, they can multiply or grow over time, and they appear specifically on genital or anal skin. Diagnosis is usually made by visual inspection from a clinician, though a biopsy may be needed if a lesion looks unusual, such as one that’s darkly pigmented, bleeds, or feels fixed to deeper tissue.
When HPV Is Invisible but Still Present
The most common scenario with HPV is that you have it and see absolutely nothing. The immune system clears most HPV infections within one to two years without the virus ever producing a wart, bump, or any other visible change. During that time, the virus can still be transmitted to a partner.
This is why HPV is so widespread: it doesn’t announce itself. Visible warts represent a small fraction of all HPV infections. If you’re concerned about HPV, screening tests (not visual inspection) are the reliable way to know your status for high-risk strains. For low-risk strains that cause warts, there’s no blood test or swab. A clinician identifies them by looking at them.