Molluscum contagiosum typically clears on its own within 6 to 12 months, though it can persist for up to 4 years in some cases. The infection is caused by a poxvirus that produces small, firm, dome-shaped bumps on the skin, and the timeline depends largely on how your immune system responds to it.
The Typical Timeline From Start to Finish
After exposure to the virus, bumps take between 2 and 8 weeks to appear on the skin. This incubation period means you won’t know you’ve been infected right away, and you may not connect the bumps to a specific contact or exposure by the time they show up.
Once the bumps appear, most people see them resolve within 6 to 12 months without any treatment. The frustrating part is that while individual bumps may fade, new ones can crop up nearby during that window. This is because the virus spreads on the skin’s surface, so you can essentially keep re-infecting yourself in adjacent areas. That cycle of old bumps fading and new ones emerging is what stretches the overall timeline.
In a smaller number of cases, the infection takes up to 4 years to fully clear. This is more common when someone has a large number of bumps, spreads the virus to new body areas through scratching or shaving, or has a weakened immune system. People with conditions that suppress immune function, such as HIV, tend to develop more widespread and longer-lasting infections that are harder to manage.
How Individual Bumps Resolve
Each molluscum bump goes through its own life cycle. A bump starts as a small, flesh-colored or pearly dome, often with a tiny dimple in the center. Over weeks to months, the bump may become red, swollen, or inflamed. This inflammation is actually a good sign. It means your immune system has recognized the virus and is attacking it. After this inflamed phase, the bump crusts over and disappears.
The bumps typically heal without scarring if you leave them alone. Picking, squeezing, or scratching them increases the risk of bacterial infection and scarring, and it also spreads the virus to other areas of your skin.
When You’re Contagious
You can spread molluscum contagiosum as long as active bumps are present on your skin. The virus lives inside the bumps themselves, so direct skin-to-skin contact or sharing towels, clothing, or sports equipment can transmit it. Once all bumps have fully resolved, you’re no longer contagious.
During an active infection, covering bumps with clothing or bandages reduces the chance of spreading the virus to others or to new areas on your own body. Children with molluscum don’t need to stay home from school or daycare, though open or irritated sores should be covered. Swimming is fine as long as there are no open lesions that could become infected with bacteria.
Does Treatment Speed Things Up?
Because molluscum resolves on its own, many doctors recommend simply waiting it out, especially in children. However, treatment can remove existing bumps faster and may reduce the chance of spreading the virus to new areas. Common approaches include freezing the bumps, scraping them off, or applying topical solutions that trigger the skin’s immune response at the site.
What treatment doesn’t do is eliminate the virus from your body all at once. Even after bumps are removed, new ones may still appear if the virus was already incubating in nearby skin. This means treatment sometimes requires repeat visits over several weeks or months. For people who are bothered by the appearance of the bumps, who have them in visible or sensitive areas, or who keep spreading the virus to new sites, treatment can be worth considering even though the infection would eventually clear on its own.
Can You Get It Again?
Clearing a molluscum infection does not give you lasting immunity. You can be reinfected if you’re exposed to the virus again, and the timeline would essentially restart. This is different from viruses like chickenpox, where a single infection usually provides long-term protection. The molluscum virus is effective at evading the immune system, which is part of why it can stick around for months and why past infection doesn’t reliably prevent future episodes.
What Affects How Long Yours Will Last
Several factors influence whether you’ll be on the shorter or longer end of the timeline:
- Number of bumps. A handful of bumps in one area tends to clear faster than dozens spread across multiple body parts.
- Scratching and touching. Frequently touching or irritating the bumps spreads the virus to new skin, which restarts the clock in those areas.
- Shaving over bumps. Running a razor over molluscum lesions is one of the most common ways adults spread the infection across larger areas, particularly on the legs, face, or bikini line.
- Immune function. People with healthy immune systems generally clear the virus faster. Those with suppressed immunity face longer, more stubborn infections with more numerous bumps.
- Eczema. People with eczema or other conditions that compromise the skin barrier tend to have more widespread infections that take longer to resolve.
The most effective thing you can do to shorten the overall duration is to avoid spreading the virus to new areas on your own body. Stop shaving over or near the bumps, resist the urge to pick or scratch them, and wash your hands after touching affected skin.