How Often Should I Get STI Tested? A Simple Guide

How Often Should I Get STI Tested?

There isn't one STI testing schedule that is right for everyone.

How often you should get tested depends on your age, sexual history, type of sexual activity, number of partners, pregnancy status, previous STI history, and other risk factors. Current CDC guidance also emphasizes that testing recommendations vary according to factors such as sexual history, current sexual practices, symptoms, and where you live.

Some people may need testing once a year, while others may benefit from testing every 3 to 6 months. If you have symptoms or believe you were recently exposed to an STI, you may need medical evaluation sooner.

Why Is Regular STI Testing Important?

STIs can be present without obvious symptoms. A person may feel completely healthy while having an infection and potentially passing it to a sexual partner.

The CDC states that many STIs have no symptoms, while WHO's 2025 guidance specifically addresses the importance of identifying asymptomatic infections.

Testing can help you:

• Find infections you may not know you have

• Receive treatment when appropriate

• Reduce the chance of passing an infection to a partner

• Protect your long-term sexual and reproductive health

• Make informed decisions about sexual health

How Often Should You Get Tested?

Your ideal testing schedule depends on your circumstances.

If You Have One Long-Term Partner

If you and your partner have both been tested, are mutually monogamous, and have no new exposure risks, you may not need frequent STI screening.

However, testing recommendations can still vary depending on your medical and sexual history.

If you have concerns about your relationship, a previous exposure, or your partner's STI status, talk with a healthcare professional.

If You Have a New Sexual Partner

A new sexual partner can be a good reason to discuss STI testing.

Testing before or around the beginning of a new sexual relationship can help both partners understand their current STI status.

Remember that testing immediately after a recent exposure may not detect every infection, because different tests have different detection windows.

If You Have Multiple Sexual Partners

Having multiple partners can increase opportunities for STI exposure.

Depending on your circumstances, a healthcare professional may recommend more frequent testing.

For some higher-risk groups, current CDC recommendations include testing every 3 to 6 months rather than only once a year.

If You Are a Sexually Active Woman Under 25

CDC guidance recommends annual chlamydia and gonorrhea testing for sexually active women under 25. Women aged 25 and older may also need annual testing when they have increased risk factors, such as a new partner, multiple partners, or a partner with an STI.

Recommendations can differ by country, so local healthcare guidance should also be considered.

If You Are a Man Who Has Sex With Men

CDC guidance recommends sexually active men who have sex with men receive screening for syphilis, chlamydia, and gonorrhea at least annually, with testing every 3 to 6 months recommended for those at increased risk.

Testing should cover the relevant sites of sexual contact, which may include the throat, rectum, or urethra.

If You Are Pregnant

Pregnancy can change STI screening recommendations because certain infections can affect pregnancy and newborn health.

CDC recommends screening during pregnancy for infections including HIV, syphilis, hepatitis B, and hepatitis C, with additional testing or repeat testing recommended in certain circumstances. Chlamydia and gonorrhea screening may also be recommended depending on age and risk factors.

If you are pregnant, ask your prenatal healthcare provider which tests you need and when.

Should You Get Tested Even If You Have No Symptoms?

Sometimes, yes.

You shouldn't rely only on symptoms to decide whether you need an STI test.

Many infections can be asymptomatic. WHO's guidelines specifically highlight that infections can remain undetected, including infections affecting the throat and rectum.

If you have sexual exposure that concerns you, discuss testing with a healthcare professional even if you feel perfectly healthy.

How Soon After Sex Should You Get Tested?

There is no single testing time that applies to every STI.

Different infections and tests have different window periods, meaning the infection may not be detectable immediately after exposure.

If you think you may have been exposed:

1. Contact a healthcare professional.

2. Tell them when the sexual contact occurred.

3. Explain what type of sexual contact took place.

4. Ask which STI tests are appropriate.

5. Follow their advice about when to test or retest.

A negative result obtained too soon after exposure may not rule out an infection.

What STIs Should You Get Tested For?

There isn't one test that checks for every STI.

Depending on your circumstances, testing may include:

• Chlamydia

• Gonorrhea

• Syphilis

• HIV

• Hepatitis B

• Hepatitis C

Testing for herpes or other infections is not necessarily recommended as routine screening for everyone and may depend on symptoms, exposure, and individual circumstances.

Your healthcare provider can determine which tests make sense for you.

Does the Type of Sex Affect STI Testing?

Yes.

STIs can affect different parts of the body. If you've had oral or anal sex, you may need to discuss whether throat or rectal testing is appropriate.

For example, a urine test may not identify an infection located in the throat or rectum.

That's why it's important to tell your healthcare provider about the types of sexual contact you've had. This information helps them determine which testing sites may be appropriate.

What If You Have Symptoms?

If you develop possible STI symptoms, don't wait for your next routine screening appointment.

Possible symptoms can include:

• Unusual genital discharge

• Burning or pain when urinating

• Genital sores or blisters

• Unusual bleeding

• Genital itching or irritation

• Pelvic pain

• Testicular pain or swelling

• A rash

These symptoms can have causes other than STIs, so they don't automatically mean you have an infection.

A healthcare professional can evaluate your symptoms and determine whether testing is appropriate.

What If Your Partner Has an STI?

If a partner tells you they have an STI, contact a healthcare professional rather than waiting for symptoms.

Tell them:

• Which STI your partner was diagnosed with, if known

• When you last had sexual contact

• What type of sexual contact occurred

• Whether you used condoms or other barrier methods

Depending on the infection and timing, your healthcare provider can advise you about testing, treatment, or other preventive measures.

What Happens If Your STI Test Is Positive?

A positive STI test does not mean you should feel ashamed or embarrassed.

Many STIs are treatable, and several bacterial and parasitic STIs can be cured with appropriate treatment. Other infections can be managed with medical care.

If you receive a positive result:

• Follow your healthcare professional's treatment instructions.

• Ask whether your partner or partners need testing.

• Follow recommendations about avoiding sexual contact during treatment.

• Complete any prescribed medication.

• Ask whether you need repeat testing.

For some infections, retesting after treatment is recommended because reinfection is possible. For example, CDC recommends retesting approximately three months after treatment for chlamydia and gonorrhea.

Can You Prevent STIs Between Tests?

Yes. Testing is only one part of sexual-health protection.

You can reduce your risk by:

• Using condoms correctly and consistently

• Using other appropriate barrier methods

• Getting recommended vaccines, such as HPV and hepatitis B vaccines

• Discussing STI testing with sexual partners

• Limiting exposure to partners whose STI status is unknown when appropriate

• Seeking medical care after a potential exposure

• Following treatment recommendations if an STI is diagnosed

Testing doesn't replace prevention, and prevention doesn't replace appropriate testing.

The Bottom Line

How often should you get tested for STIs? It depends on your individual circumstances.

For some people, annual screening may be appropriate. Others may benefit from testing every 3 to 6 months, particularly when they have higher exposure risk. Certain groups and situations have specific screening recommendations.

You should also seek medical advice after a potential exposure or if you develop symptoms rather than waiting for your next routine test.

Most importantly, don't assume that feeling healthy means you don't have an STI. Regular, appropriate testing is an important part of sexual health.

Frequently Asked Questions

How often should I get STI tested?

There is no single schedule for everyone. Depending on your age, sexual history, partners, pregnancy status, and risk factors, testing may be recommended annually or more frequently.

Is STI testing once a year enough?

It can be appropriate for some people, but not everyone. People with higher exposure risk may need testing every 3 to 6 months or according to their healthcare provider's recommendation.

Should I get tested after every new partner?

Not necessarily. However, a new partner is a good opportunity to discuss sexual health and whether STI testing is appropriate.

Can I have an STI without symptoms?

Yes. Many STIs can cause no noticeable symptoms.

How soon after sex should I get an STI test?

It depends on the infection and test. Some infections may not be detectable immediately after exposure. A healthcare professional can advise you about the appropriate timing.

What happens if I test positive for an STI?

Follow your healthcare provider's treatment recommendations and ask whether your partner or partners need testing or treatment. Some infections also require follow-up or repeat testing.

Reliable Health References

• CDC — Getting Tested for STIs — Current CDC information about who should get tested, testing frequency, and available STI testing methods.

• CDC — STI Screening Recommendations — Detailed screening recommendations for different infections and populations.

• WHO — Guidelines for the Management of Asymptomatic STIs — Evidence-based guidance on screening people who have STIs without symptoms.

• WHO — STI Guidelines and Resources — WHO's current STI guidance and resources