Telling a partner: how partner notification works

If you test positive for an STI, recent partners need to know so they can test and, where needed, be treated. This is called partner notification, and it is a normal, well-established part of sexual health care. It can feel like the hardest part of a positive result, so it helps to know in advance that there is more than one way to do it, including ways that keep your name out of it entirely.

Why it matters

Partner notification does two things. It protects people who may be carrying an infection without knowing, since many STIs cause no symptoms at all. And it protects you from being re-infected by an untreated partner once your own treatment is finished, which is a common and avoidable problem. It is not about blame. It is about closing the loop so the infection stops moving between people.

Who needs to be told

How far back to go depends on the specific infection, because each has a different typical timeframe. The doctor tells you the relevant window for your result, so you are not left guessing how far back is far enough. The aim is to reach the partners who could plausibly be affected, not to account for everyone you have ever been with.

You can tell them yourself

Many people prefer to tell partners directly. If you choose this, the doctor can help you with the words, including a simple, factual way to put it that does not turn into a difficult conversation. A short, matter-of-fact message that suggests they get checked is usually all that is needed, and you do not have to over-explain or apologise. Most people, once they get over the awkwardness, are glad to have been told.

Or it can be done anonymously

If telling someone yourself is not workable, the infection can be notified on your behalf without naming you. The partner receives a message advising them that they may have been exposed to a specific infection and should get tested, with no indication of who told us. This anonymous route exists precisely because it removes the barrier that stops people acting, and it is used routinely. The partner gets what they need to protect their health, and your privacy is preserved.

Treating partners without waiting

For some infections, a partner can be treated based on the exposure alone, before their own result is back, because the contact itself is enough reason to act. This is called epidemiological treatment. If a partner of yours has been diagnosed, the same may apply to you: you can be treated for what they have rather than wait for a result. The doctor advises when this is appropriate, and it often shortens the whole process for everyone involved.

What the message says

People often picture partner notification as a dramatic confrontation. In practice it is low-key. A message, whether from you or sent anonymously on your behalf, simply says that the person may have been exposed to a specific infection and should get a check-up. It does not share details beyond what they need to act on. There is no requirement to explain how, when, or with whom, and the focus stays on getting them tested, not on assigning fault.

If someone notifies you

The same process can run the other way. If you receive a notification that you may have been exposed, treat it as useful information rather than an accusation. Book a check, mention the specific infection you were told about, and the doctor can test and, where appropriate, treat you for it straight away. Being told is a favour, not a slight, and acting on it quickly protects both you and anyone you are close to.

The honest summary

Partner notification protects others and protects you. You can tell partners yourself, with help on the wording if you want it, or it can be done anonymously so your name never comes up. The doctor will tell you how far back to go for your specific result. It is routine, it is judgement-free, and there is always a way to do it that you can live with.

Ready to start?

If you want to move from reading to acting, the next step is a short, confidential assessment with one of our doctors. No judgement, no assumptions.

Begin your assessment at this link. Online or in person at Westfield London.