You get the result and your stomach drops.

Then another thought shows up pretty quickly: Shit. Now I have to tell them.

Maybe it’s a current partner. Maybe it’s someone you slept with a few weeks ago. Maybe you’re already imagining them getting angry, assuming you cheated, or asking questions you don’t know how to answer.

That can make the conversation feel enormous before you’ve even had it.

But telling someone about a positive STI test doesn’t require a perfect explanation of how this happened.

They need to know what came back positive and what they may need to do next.

Start there.

Know Enough to Give Them Something Useful

Before you reach out, it helps to have the basic facts straight.

What did you actually test positive for?

Have you talked with a doctor or testing service yet?

Did they tell you the other person needs testing, treatment, or both?

You don’t need to become an expert on the infection first. But having those answers keeps you from calling someone with nothing more than, “I tested positive for something and I’m freaking out.”

If you’re still trying to understand what your positive STI result actually means and what happens next, sort that part out first if you can.

Then you can tell the other person what you actually know instead of trying to figure it out together in the middle of an already difficult conversation.

Say the Result Before You Start Explaining Yourself

There’s a temptation to lead with everything you’re feeling.

I don’t know how this happened. I feel horrible. Please don’t think I’m disgusting. I swear I didn’t know.

Those feelings may be completely real.

But if you spend the first five minutes apologizing, panicking, or defending yourself, the other person is still waiting to hear what actually happened.

You can be much simpler.

“I got my STI results back and tested positive for chlamydia. I’ve talked with my doctor and started treatment. They said you should get tested too.”

That’s enough to get the conversation started.

You don’t need the perfect words. You need to tell them what they need to know.

There may be plenty more to talk about after that. But now you’re both talking about the same thing.

You Don’t Need to Know Exactly Where It Came From

This is where the conversation can get complicated fast.

Who gave it to whom? How long has someone had it? Does this mean somebody cheated?

Those are understandable questions, especially in a relationship where you thought you were exclusive.

But a positive STI test doesn’t always give you those answers.

Some infections can be present without obvious symptoms, which means someone may find out they have one long after they were infected.

So if you genuinely don’t know when you got it, it’s okay to say that.

“I don’t know when I picked this up” is much better than inventing an answer because the silence feels uncomfortable.

The same goes for blame.

Don’t turn suspicion into certainty just because that explanation feels obvious in the moment.

Be Honest About What You Do Know

Uncertainty doesn’t mean you should be vague about everything.

If you know something that matters to the other person, tell them.

If you had another sexual partner during a period when they believed you were exclusive, that’s a different issue from not knowing when an infection started.

If your doctor told you they should get tested, say that.

If you’ve already started treatment, tell them.

And if they ask something you genuinely can’t answer yet, you can simply say you don’t know.

Trying to sound completely certain can feel reassuring in the moment, but it usually creates a bigger mess if you later find out you were wrong.

They May Not React the Way You Hope

The other person may take the news calmly.

They may also be surprised, scared, pissed off, embarrassed, or worried about what the result means for them.

You don’t have to make that reaction disappear. And you probably can’t.

What you can do is answer the questions you actually know the answers to and give them a little space to process the rest.

That’s especially important if bigger relationship questions come up.

Maybe they want to talk about exclusivity. Maybe they’re wondering whether you’ve been honest with them. Maybe the result brings up something the two of you were already struggling with.

None of that needs to be solved in the first ten minutes after you tell them you tested positive.

The Conversation Doesn’t Have to Happen One Particular Way

Telling a long-term partner while you’re sitting together may feel right.

Telling someone you hooked up with twice three months ago may look completely different.

A phone call or text can still give someone information they need to protect their health.

The important part is that they actually get the information.

And if contacting someone yourself doesn’t feel safe or isn’t realistic, you may not have to handle the notification alone. Some clinics or local health departments can help notify them for you.

You don’t need to put yourself in danger to have handled the situation responsibly.

Clear and Honest Is Enough

Telling someone you tested positive for an STI may still be uncomfortable.

They may be upset. They may have questions you can’t answer. And the conversation may bring up issues that have very little to do with the infection itself.

None of that necessarily means you handled it badly.

You can’t control whether the conversation feels comfortable or how the other person reacts.

What you can do is make sure they aren’t left guessing about something that affects their health.

That’s the part you’re responsible for.