Sometimes, yes. Small studies suggest that roughly one-third to two-thirds of men with trichomoniasis may clear the infection on their own within a few weeks. But “can” and “should” are very different questions here, because the infection can also persist silently for months or years, causing damage and spreading to partners the entire time.
What the Evidence Shows About Spontaneous Clearance
Trichomoniasis behaves differently in men than in women, and the male urogenital tract appears to be a less hospitable environment for the parasite. A small longitudinal study following 14 infected men found that 5 of them (36%) cleared the infection without treatment, at an average of about 16 days after diagnosis. A separate study found an even higher rate: 11 of 16 men (69%) spontaneously resolved their infection, most within 15 to 19 days, with a few taking 35 to 45 days.
Those numbers sound encouraging, but they come with major caveats. Both studies were tiny, and the exact frequency of spontaneous clearance remains unknown. The remaining men in those studies did not clear the infection. Some carried it asymptomatically for over four months with no sign of resolution. There is currently no way to predict whether you’d fall into the group that clears it or the group that doesn’t.
Why Most Men Never Know They Have It
About 77% of men with trichomoniasis have no symptoms at all. The infection sits quietly in the urethra, and without testing, most men would never suspect anything is wrong. When symptoms do appear, they typically involve mild burning during urination or a thin discharge from the penis, but only around 30% of infected men ever notice these signs.
This is precisely what makes the “wait and see” approach risky. Feeling fine doesn’t mean the parasite is gone. The CDC notes that untreated trichomoniasis infections can last months to years, even without symptoms. During that entire time, you can pass it to sexual partners.
Health Risks of Leaving It Untreated
Even though trichomoniasis is often dismissed as a minor STI, untreated infections in men carry real consequences. The parasite can travel deeper into the reproductive tract, causing inflammation of the prostate (prostatitis) or the tube behind the testicle that stores sperm (epididymitis). Both conditions can be painful and difficult to treat once established.
Fertility is another concern. Research has shown that trichomoniasis significantly reduces sperm motility, viability, and normal shape. Over time, this can compromise your ability to conceive. Some studies have also found an association between long-term trichomoniasis infection and an increased risk of prostate cancer, though the exact nature of that link is still being studied.
There’s also the HIV factor. A large meta-analysis found that people infected with trichomoniasis are about 50% more likely to acquire HIV if exposed, because the parasite causes microscopic inflammation that gives the virus easier access to the bloodstream. In people already living with HIV, trichomoniasis increases viral shedding in genital fluids, raising the chance of transmitting HIV to partners.
The Partner Reinfection Problem
Even if your body does manage to clear the parasite on its own, you can be reinfected immediately by an untreated partner. About 72% of male partners of women with trichomoniasis also test positive, and since up to 85% of infected people have minimal or no symptoms, your partner likely wouldn’t know they’re carrying it either.
This creates a cycle where the infection bounces back and forth. Treatment only works when both partners are treated at the same time. Clearing it on your own does nothing to break that cycle if your partner is still infected.
How Treatment Actually Works
Trichomoniasis is one of the simplest STIs to cure. Treatment is a single-dose oral antibiotic, and for most men, that’s the entire process. No injections, no extended pill regimen, no follow-up procedures. The cure rate is high, and side effects are generally mild.
Compared to the weeks of uncertainty involved in hoping for spontaneous clearance, plus the ongoing risk of complications and transmission, a single pill is a straightforward solution. Testing is done with a urine sample or urethral swab, and results typically come back within a few days.
The Bottom Line on Waiting It Out
Your body might clear trichomoniasis on its own. The limited data suggests it happens in some men within two to six weeks. But you have no way to know if you’re in that group, and while you wait, you risk damaging your fertility, inflaming your prostate, increasing your vulnerability to HIV, and passing the infection to every sexual partner. Given that the cure is a single dose of medication, relying on spontaneous clearance is a gamble with poor odds and unnecessary stakes.