Positive STD Test Result: What to Do Next

Medical disclaimer: This article is educational information, not medical advice, diagnosis, or treatment. LabTestsOnDemand, operated by Imperial Health LLC, does not diagnose or treat conditions. Any positive, reactive, detected, or abnormal STI test result should be discussed with the ordering clinician or another qualified healthcare professional.

Receiving a positive, reactive, or "detected" STI test result can feel overwhelming — but a single line on a lab report is not a full picture of your health. What the result means, whether it needs to be confirmed, and what steps come next all depend on which infection was tested, which assay was used, your exposure history, and any symptoms. This article walks through the general framework for what to do next, without interpreting any individual report.

First, read the exact wording on the report

Lab reports for sexually transmitted infections do not all use the same vocabulary. Depending on the assay, you may see words like positive, reactive, detected, abnormal, preliminary, presumptive, equivocal, or confirmatory. These terms are not always interchangeable, and each test's package insert defines them slightly differently.

Before doing anything else:

• Read the exact wording next to each analyte, not just the summary.
• Note whether the result is described as a screening result or a confirmatory result.
• Note whether the report includes a comment, reference range, or interpretation from the laboratory.

Do not try to interpret your own report against general information from the internet. The specific test method and cutoffs matter, and only a qualified clinician who can see the full report and your history should draw conclusions from it.

Positive, reactive, and detected are not always interchangeable

In plain English:

• Reactive often appears on antibody or antigen-antibody screening tests (for example, some HIV or syphilis screens). A reactive screen may still require a confirmatory test before a diagnosis is made.
• Detected is common on nucleic acid amplification tests (NAATs), such as those used for chlamydia and gonorrhea. NAATs directly detect genetic material from the organism.
• Positive is a general term that may appear on either type of assay, depending on the laboratory's reporting style.
• Abnormal, preliminary, or equivocal wording usually signals that additional evaluation is appropriate.

None of these words tell you, on their own, exactly what happened biologically. That is a conversation for the ordering clinician.

Contact the ordering clinician or a qualified healthcare professional

The single most important next step is to speak with the clinician who ordered the test, or another licensed healthcare professional, before making decisions about treatment, retesting, sexual activity, or partner notification. They can:

• review the full report and your history,
• decide whether a confirmatory test is appropriate,
• discuss any symptoms or exposures,
• explain what the specific result may and may not mean, and
• coordinate any follow-up care.

If you tested through LabTestsOnDemand and need help routing the result to a clinician, contact support@labtestsondemand.com. LabTestsOnDemand does not provide diagnosis or treatment.

When confirmatory testing may be used

For some infections, professional guidelines describe a two-step process: an initial screening test followed, when needed, by a different confirmatory or supplemental test. Two common examples described in CDC guidance:

• HIV: many laboratories use an antigen/antibody screen followed, when reactive, by a supplemental antibody differentiation assay and, in some cases, an HIV-1 RNA (nucleic acid) test.
• Syphilis: laboratories may use a treponemal test followed by a non-treponemal test (or vice versa) to help interpret the result.

For NAAT-based tests like chlamydia and gonorrhea, confirmatory testing is used less often, but clinicians may still repeat testing in specific situations.

The point is not that every positive result is likely wrong. It is that the appropriate next test — if any — depends on the infection and the assay. Only a clinician should make that call.

What to do while waiting for follow-up

While you are waiting to reach a clinician or to receive follow-up testing:

• Save a copy of the report and any lab comments.
• Write down the date of the test, any recent exposures you remember, and any symptoms.
• Follow the instructions of the licensed clinician handling your care.
• Seek prompt medical attention for concerning symptoms, especially pain, fever, unusual discharge, sores, or other changes that worry you.

This article does not, and cannot, provide individualized instructions about sexual activity, medications, doses, or timelines. Those decisions belong to your clinician.

Public-health reporting and privacy

Certain sexually transmitted infections are reportable to state or local public-health authorities when required by law. Reporting requirements vary by infection and by jurisdiction, and are typically handled between the laboratory, the clinician, and the health department.

A few points that are often misunderstood:

• Public-health reporting is not the same as routine disclosure to your employer or insurer.
• Health departments generally follow legal privacy protections when handling reportable conditions.
• No system, however, can promise complete anonymity or that no record of testing exists anywhere.

If you have specific privacy questions, ask the ordering clinician or your local health department how reporting is handled for the infection in question. Readers looking for more background on how private, lab-drawn testing is handled can review our overview of confidential STD testing.

Talking with current or recent partners

Partner communication after a positive result is personal, and there is no single right script. General points that clinicians and public-health programs often make:

• Partners may benefit from testing so they can make informed decisions about their own health.
• Some health departments offer partner-services programs that can help notify partners confidentially.
• Neutral, factual language ("I recently tested and my clinician recommended you get tested too") is often easier than trying to explain the biology.

This article does not provide legal advice. Laws related to disclosure vary by state and by infection; a clinician, attorney, or local health department is the appropriate source for jurisdiction-specific questions.

When repeat testing may be recommended

"Retesting" after a positive result can mean several different things, and they are not the same:

• Confirmatory testing — a different assay used to confirm or clarify an initial reactive or positive screen. Timing is usually immediate, per the laboratory's protocol.
• Test of cure — a follow-up test done after treatment to confirm the infection is no longer detected. The recommended interval depends on the infection and the test method, and is a clinician decision.
• Test of reinfection — a repeat test done weeks or months after treatment because reinfection is common for some STIs, even after successful treatment. CDC guidance describes this for infections like chlamydia and gonorrhea.
• Routine future screening — periodic screening based on age, sexual history, and risk factors, as described by CDC and USPSTF. Some readers choose a broader comprehensive sexual health panel for routine future screening after discussing timing with a clinician.

There is no single universal retesting timeline. The right interval — if any — is set by the clinician using the specific infection, the treatment given, and current guidelines.

Need follow-up testing at the appropriate time? You can review private, lab-drawn testing options and discuss the timing and meaning of your result with a qualified healthcare professional. View private testing options →

Can a positive STI result be wrong?

No laboratory test is perfect. Any assay has a sensitivity (ability to detect true infection) and a specificity (ability to correctly return negative when infection is absent). This is why:

• False positives can occur, especially when a screening test is used in a population where the infection is uncommon. This is one reason confirmatory testing exists for certain infections.
• False negatives can also occur, particularly when a test is performed before enough time has passed since a possible exposure. See STI window periods and how long after exposure to get tested for background on timing.

None of this means you should ignore a positive result. It means the result should be interpreted by a clinician who can weigh the test method, your history, and any confirmatory testing together.

Frequently asked questions

The answers below are general educational information and are not a substitute for advice from your clinician.

Does a reactive result always mean I have an STI? Not necessarily. A "reactive" screening result usually means the test flagged something that requires further evaluation. Depending on the infection and the assay, a clinician may order a confirmatory test before making a diagnosis.

Why would I need a confirmatory test? For some infections — HIV and syphilis are common examples — professional guidelines describe a screening test followed, when needed, by a different confirmatory or supplemental test. The clinician decides whether one is appropriate.

Should I take another test on my own right away? Usually the better first step is to reach the ordering clinician. They can decide whether an immediate confirmatory test, a test of cure at a later date, a routine repeat, or no additional testing is appropriate for your situation.

Will a positive STI result be reported to anyone? Certain infections are reportable to public-health authorities when required by law, and requirements vary by infection and jurisdiction. Reporting to public health is not the same as disclosure to an employer or insurer.

Will my employer receive my result? LabTestsOnDemand does not send individual STI results to employers. General privacy protections apply to medical records, but no service can promise complete anonymity in every situation.

What is the difference between a test of cure and a test of reinfection? A test of cure is done after treatment to check that an infection is no longer detected. A test of reinfection is done weeks or months later because some STIs, such as chlamydia and gonorrhea, have relatively high reinfection rates, per CDC. Your clinician sets both intervals.

Can I receive a positive result without symptoms? Yes. Many STIs can be asymptomatic, which is one reason CDC and USPSTF recommend routine screening for certain groups even in the absence of symptoms.

Who should explain the result to me? The ordering clinician or another qualified healthcare professional. Support staff, articles, and lab portals can provide general information, but they should not interpret an individual result for you.

Sources

• Centers for Disease Control and Prevention. Sexually Transmitted Infections Treatment Guidelines, 2021. https://www.cdc.gov/std/treatment-guidelines/default.htm
• Centers for Disease Control and Prevention. HIV Testing Overview. https://www.cdc.gov/hiv/testing/
• Centers for Disease Control and Prevention. Syphilis — CDC Detailed Fact Sheet. https://www.cdc.gov/std/syphilis/stdfact-syphilis-detailed.htm
• Centers for Disease Control and Prevention. Chlamydia — CDC Detailed Fact Sheet. https://www.cdc.gov/std/chlamydia/stdfact-chlamydia-detailed.htm
• Centers for Disease Control and Prevention. Gonorrhea — CDC Detailed Fact Sheet. https://www.cdc.gov/std/gonorrhea/stdfact-gonorrhea-detailed.htm
• U.S. Preventive Services Task Force. Chlamydia and Gonorrhea: Screening. https://www.uspreventiveservicestaskforce.org/uspstf/recommendation/chlamydia-and-gonorrhea-screening
• MedlinePlus (U.S. National Library of Medicine). STD Testing. https://medlineplus.gov/lab-tests/std-testing/
• American Sexual Health Association. STIs & Your Health. https://www.ashasexualhealth.org/stis-stds/
• Mayo Clinic. STD testing: What's right for you? https://www.mayoclinic.org/diseases-conditions/sexually-transmitted-diseases-stds/in-depth/std-testing/art-20046019
• Cleveland Clinic. Sexually Transmitted Infections (STIs). https://my.clevelandclinic.org/health/diseases/9138-sexually-transmitted-infections--diseases-stds

Last reviewed for editorial accuracy on publication date. This article does not replace individualized medical advice from a licensed clinician.