Dating with an STI comes down to four steps: get your own facts and treatment sorted, decide when and how to tell a new partner, agree on protection together, and test together before you change anything. Done in that order, you keep yourself well, protect a partner, and build the kind of trust that makes a relationship work.

Key figures

Prevalent STIs in the US
~68M
about 1 in 5 people on any given day
New STIs each year
~26M
nearly half in people aged 15–24
Most common ones
curable
chlamydia, gonorrhea, syphilis, trichomoniasis
HIV when treated
U=U
undetectable = untransmittable
Dating with an STI is common, the numbers. Tens of millions of people date, partner, and thrive with an STI Source: CDC STI Prevalence & Incidence Estimates, 2018.
Dating with an STI is common, the numbers
ItemValue
Prevalent STIs in the US~68M: about 1 in 5 people on any given day
New STIs each year~26M: nearly half in people aged 15–24
Most common onescurable: chlamydia, gonorrhea, syphilis, trichomoniasis
HIV when treatedU=U: undetectable = untransmittable

Dating with an STI is normal, and very doable

Most people who date are at some point dating someone with a sexually transmitted infection, whether either of them knows it. The reason is simple: most STIs are silent. Chlamydia, gonorrhea, herpes, and HIV can all sit quietly with no symptoms, which is exactly why testing matters and why a diagnosis says nothing about your worth as a partner.

Curable bacterial infections like chlamydia and gonorrhea are treated and gone. Lifelong infections like herpes and HIV are managed every day by people in happy, long relationships, including relationships where only one partner has the virus. The goal of dating with an STI isn't to hide it; it's to handle it honestly and confidently, the same way you'd handle any other part of your health.

Step 1: Get your own facts and treatment sorted first

Before you bring a partner into the picture, get clear on your own situation. Know which infection you have, whether it's curable or managed long-term, and where you are in treatment. If you have HIV, the single most important fact is your viral load, being on treatment and undetectable changes the entire conversation.

This is also the moment to learn the plain facts you'll lean on later. Most STIs are common and treatable, condoms cut risk when used consistently, and for HIV there's earlier HIV treatment, starting treatment sooner protects your health and protects partners. When you understand your own status, the conversation stops feeling like a confession and starts feeling like sharing a plan.

Step 2: Decide when and how to tell a new partner

There's no perfect script, but timing helps. Pick a calm, private moment before things get physical: not in the heat of the moment, and not over text mid-flirtation. You want enough trust that the conversation feels safe, and enough lead time that nobody feels cornered.

What actually works is leading with your own plan rather than dropping a label. Try something like: "I get tested between partners and I use condoms." That frames the talk as caring about both of you, not accusing them of anything. If you're disclosing your own diagnosis, keep it simple and factual, then give them a second to react. Have the basics ready: that most STIs are common and treatable, and that for HIV, undetectable equals untransmittable.

  • For a curable infection you've already treated: "I had chlamydia, I finished treatment, and I'm clear now. I just like to be upfront."
  • For herpes: "I have herpes. It's really common, I manage it, and there are simple ways we lower any risk if we get there."
  • For HIV: "I'm living with HIV. I'm on treatment and undetectable, which means I can't pass it to a partner."

You can't control how someone responds, but you can control how you show up: calm, informed, and kind. That tone does more to put a partner at ease than any single statistic.

Step 3: Agree on protection together

Protection works best as a shared decision, not a one-sided demand. Condoms reduce the risk of STIs and pregnancy: but only when they're used every time, which is why agreeing to use them consistently is something partners decide together. The evidence is strongest for HIV: a Cochrane review found consistent condom use cuts HIV incidence by roughly 80% Cochrane review, and a meta-analysis of serodiscordant heterosexual couples put the reduction at about 87% Davis & Weller, 2000.

"Consistent" is the load-bearing word. In pooled couple data, people who always used condoms had far lower HIV rates than those who never did PMC review, and evidence reviewed by family physicians estimates male condoms cut heterosexual HIV transmission by about 80% AAFP, 2004. Risk reduction is somewhat lower for anal sex among men who have sex with men, around 70% CDC estimates, which is one reason layering tools matters.

If you and a partner have different HIV statuses, you have two powerful options beyond condoms. The first is U=U: if the partner with HIV takes treatment that keeps the virus undetectable, they don't transmit HIV to sex partners. In the landmark HPTN 052 trial of serodiscordant couples, there were zero genetically linked transmissions while the partner with HIV stayed suppressed. The second is PrEP for the HIV-negative partner: a daily or scheduled medicine that prevents HIV, which couples can choose together CDC, Talk PrEP Together.

ToolHow it worksBest for
Condoms (every time)Barrier that blocks fluid contactAny partners; STI + pregnancy prevention
U=U (treatment as prevention)Undetectable viral load means no transmissionThe partner living with HIV
PrEPDaily or scheduled medicine that prevents HIVThe HIV-negative partner at higher risk

PrEP options keep expanding: the CDC's guideline recommends oral tenofovir-based regimens plus injectable cabotegravir, and more recently a long-acting injectable, lenacapavir, given under the skin twice a year CDC PrEP guideline. For some couples, doxy-PEP, a dose of doxycycline taken after condomless sex, also lowers bacterial STIs; a randomized trial found about a 65% drop in new bacterial STIs per quarter DoxyPEP trial, taken within 72 hours of sex Doxy-PEP, NCBI, and a real-world clinic saw STI rates fall sharply among users ASHA summary. Ask a clinician whether it fits your situation.

Step 4: Test together before you change anything

Because most STIs are completely silent, testing, ideally together, and sharing the results is the only honest way to know each other's status before you stop using condoms. Talking about who you've slept with isn't the same as knowing. A shared test removes the guesswork and turns a tense topic into a simple appointment you take care of as a team.

You can both get tested at a clinic or with at-home kits, then compare results before deciding to change anything about protection. One catch worth knowing: tests have window periods, so a recent exposure can return a false reassurance: check when to test after exposure so you test at the right time, not too early. If either of you is diagnosed with chlamydia or gonorrhea, expedited partner therapy can let the other be treated without a separate clinic visit, which stops the infection bouncing back and forth between you CDC, Expedited Partner Therapy.

Handling rejection and building trust

Some people will react badly, and that's not a verdict on you, it's usually fear and missing information. A calm, factual disclosure gives the other person room to ask questions instead of panic. If someone walks away, it's better that it happened early and honestly than after a relationship was built on silence.

Trust grows when your actions match your words: you brought it up before things got physical, you have a protection plan, and you're willing to test together. Many partners find that level of openness reassuring: it signals you'll be straight with them about everything, not just this. For women dating women who want partner-specific guidance, see STI screening for lesbian and bisexual women.

When to see a clinician

See a clinician to confirm your diagnosis, start or review treatment, and get personalized advice on protection, especially if you and a partner have different HIV statuses and want to set up PrEP or confirm an undetectable viral load. New or worsening symptoms, a possible recent exposure, or planning a pregnancy with an STI in the mix are all good reasons to book a visit rather than figure it out alone.

Keep exploring on EasySTD: telling recent partners, what STD testing costs and HIV/AIDS testing.