Genital warts on males typically appear as small, flesh-colored or slightly darker bumps that can be flat, raised, or textured like the surface of a cauliflower. They’re usually around 5 millimeters in size, roughly the width of a pencil eraser, though they can grow larger over time. They may show up as a single bump or in clusters, and they’re caused by certain strains of HPV (human papillomavirus), most commonly types 6 and 11.
Size, Shape, and Color
Genital warts vary quite a bit in appearance, which is part of what makes them tricky to identify on your own. Some are smooth and flat, barely raised above the skin. Others are dome-shaped or develop a rough, bumpy texture that looks like a tiny cauliflower floret. They can appear as a single isolated bump or grow in clusters.
Color tends to match the surrounding skin or run slightly darker. On lighter skin, they may look flesh-toned, pinkish, or tan. On darker skin, they can appear brown or grayish. Their size generally starts small, around 5 mm, but without treatment they can enlarge or multiply. Some clusters eventually merge into larger, more prominent growths.
Where They Appear
Location depends partly on whether you’re circumcised. On an uncircumcised penis, warts commonly develop under the foreskin. On a circumcised penis, the shaft is the most typical site. Beyond the penis itself, warts can show up on the scrotum, the groin, the perineum (the area between the scrotum and anus), and on or around the anus. Anal warts don’t require a history of anal sex; HPV can spread to nearby skin through general contact.
Less commonly, warts can develop inside the urethra (the opening at the tip of the penis) or within the anal canal, where they aren’t visible externally. Urethral warts may cause changes in urine flow or mild discomfort. Warts can also form in the mouth or throat after oral sex with an infected partner, though this is relatively uncommon.
How They Feel
Most genital warts are painless. You might notice them visually or by touch before you feel any sensation at all. Some people experience mild itching around the affected area, and warts in high-friction zones, like the groin folds or under the foreskin, can occasionally become irritated or bleed during sex. But many men have no physical symptoms beyond the bumps themselves, which is why they sometimes go unnoticed for weeks or months.
How Long They Take to Appear
After exposure to HPV, visible warts typically develop within one to six months. That timeline isn’t fixed, though. Some people carry the virus for much longer before warts appear, and others never develop visible warts at all despite being infected. This delay makes it difficult to pinpoint exactly when or from whom you contracted HPV.
Conditions That Look Similar
Several harmless conditions can mimic the look of genital warts, and telling them apart matters for your peace of mind.
Pearly Penile Papules
These are small, dome-shaped bumps that form in neat rows around the ridge of the penis head (the corona). They’re skin-colored or white, uniform in size, and arranged in a consistent pattern. The key difference is location and organization: pearly papules only appear around the head of the penis in orderly lines, while genital warts can develop anywhere on the shaft, scrotum, or groin, and tend to be irregular in shape and placement. Pearly papules are completely normal, not contagious, and not caused by HPV. They’re present in roughly 15 to 25 percent of men.
Fordyce Spots
These are enlarged oil glands that appear as tiny white, yellowish, or pale red dots, usually 1 to 3 mm across, about the size of a sesame seed or smaller. They can show up on the shaft of the penis or the scrotum, sometimes in clusters of 50 or more. Early-stage genital warts can initially resemble Fordyce spots, but Fordyce spots stay very small, don’t grow or change shape, and have a slightly different texture. They’re harmless, extremely common, and not an STI.
Other Lookalikes
Molluscum contagiosum produces small, firm bumps with a dimple in the center, which warts typically lack. Skin tags are soft, floppy flaps of skin on a narrow stalk, usually found in friction areas like the groin. Folliculitis (infected hair follicles) creates red, tender bumps that often have a visible pus-filled center. None of these are genital warts, but all of them can cause unnecessary worry if you’re not sure what you’re looking at.
How Diagnosis Works
A healthcare provider can usually identify genital warts through a visual examination alone. There’s no routine HPV blood test for men, and HPV DNA testing isn’t recommended for diagnosing visible warts. In ambiguous cases, or when a growth doesn’t respond to treatment as expected, a small tissue sample (biopsy) may be taken to confirm the diagnosis and rule out other conditions. The visit itself is quick and straightforward, typically just a physical exam of the affected area.
What to Expect After Diagnosis
Genital warts are caused by low-risk HPV strains, meaning they don’t increase your risk of cancer. Treatment focuses on removing the visible warts rather than eliminating the virus itself. Options range from prescription topical treatments you apply at home to in-office procedures like freezing or minor surgical removal. Warts sometimes clear on their own without treatment, but this can take months to years.
Recurrence is common, particularly in the first three months after treatment. About 30 percent of treated warts return because the underlying virus can persist in the skin even after the bumps are gone. Over time, most people’s immune systems suppress HPV to the point where outbreaks stop, typically within one to two years. The HPV vaccine, which covers the strains responsible for most genital warts, is effective at prevention for those who haven’t already been exposed to those strains.