How Often Should You Get Tested for STDs? A CDC-Backed Guide

How often you should get tested for STDs depends on your age, the number of sexual partners you have, and the specific infections you are at risk for. The CDC’s guidelines provide a clear starting framework, but the right schedule for you may be more frequent than the minimum recommendations suggest.

• Annual chlamydia and gonorrhea testing is recommended for all sexually active women under 25

• HIV testing at least once in a lifetime is recommended for all adults aged 15–65 — more often for higher-risk individuals

• People with multiple partners or inconsistent condom use should test every 3–6 months

• Pregnant women should be tested for HIV, syphilis, hepatitis B, chlamydia, and gonorrhea at the first prenatal visit

• Testing frequency should reflect your actual behaviour — annual testing is a floor, not a ceiling

CDC Recommendations by Infection

Chlamydia and gonorrhea

The CDC recommends annual screening for chlamydia and gonorrhea for all sexually active women under 25, and for older women who have new or multiple sexual partners or do not consistently use condoms. Annual screening is also recommended for men who have sex with men (MSM) at all sites of exposure (urethra, rectum, pharynx). Heterosexual men are not routinely recommended for annual screening unless they have specific risk factors, primarily because the infection burden and complication rates are higher in women. More frequent testing — every 3 to 6 months — is recommended for MSM with multiple partners and for anyone at elevated risk.

HIV

The CDC recommends that everyone aged 15–65 be tested for HIV at least once as part of routine healthcare. People at higher risk — including MSM, people who inject drugs, people with multiple partners, and those in relationships with HIV-positive individuals — should be tested at least annually, and every 3–6 months if behaviour warrants it. The earlier HIV is detected, the sooner treatment can begin and the better the long-term outcomes.

Syphilis

Routine syphilis testing is recommended for pregnant women (at the first prenatal visit and again in the third trimester and at delivery in high-incidence areas), MSM (at least annually), people with HIV (at least annually), and anyone with a new or multiple partners. Syphilis cases have risen sharply in recent years, making routine testing increasingly important for a broader population.

Hepatitis B and C

The CDC recommends that all adults be tested for hepatitis C at least once. Additional testing is recommended for anyone born between 1945 and 1965 (the birth cohort with highest prevalence), people who inject drugs (at least annually), and people with HIV. Hepatitis B testing is recommended for people not vaccinated against it, those born in regions with high prevalence, and those with specific risk factors including injection drug use.

HPV

There is no recommended routine HPV test for most people. HPV is detected in women through cervical screening (Pap smear and HPV co-test) according to the schedule recommended by your healthcare provider — typically every 3 years from age 21, or every 5 years with combined HPV testing from age 30. There is no approved HPV test for men, who can only know about HPV through clinical examination for warts or through partner notification.

Herpes

The CDC does not recommend routine herpes blood testing (HSV antibody testing) for people without symptoms, because the test produces false positives at a rate that causes significant harm — people receiving incorrect positive results experience substantial psychological distress. Testing for herpes is recommended when symptoms are present (swab of an active sore) or when a partner has a known herpes diagnosis.

Higher-Risk Schedules

The annual baseline recommendations are minimum guidelines for moderate-risk individuals. For people at higher risk, more frequent testing is both recommended and practically important. MSM with multiple partners should test every 3 months for HIV, gonorrhea (at all sites), chlamydia, and syphilis. People using PrEP (HIV pre-exposure prophylaxis) are required to test for HIV every 3 months as part of their PrEP protocol. Anyone who has had a potential high-risk exposure — condom failure, new partner with unknown status, sexual assault — should get tested promptly rather than waiting for their next scheduled test.

Practical Testing Schedule by Profile

For a sexually active adult under 25 with occasional new partners and inconsistent condom use: at minimum, annual testing for chlamydia, gonorrhea, HIV, and syphilis. In practice, testing every 6 months is more appropriate. For an MSM with multiple partners: every 3 months for chlamydia (all sites), gonorrhea (all sites), HIV, and syphilis. For a monogamous couple who have both tested negative and are exclusively together: a one-time baseline test before stopping other protection is appropriate; ongoing frequent testing is not necessary unless behaviour changes. For a pregnant woman: testing for HIV, syphilis, hepatitis B, hepatitis C, chlamydia, and gonorrhea at the first prenatal visit.

Window Periods: When to Test After Exposure

Testing too soon after a potential exposure will give a false negative because the pathogen or the antibody response to it is not yet detectable. The window periods for common STDs are: HIV — 18 to 45 days for a 4th generation combination test (antigen/antibody); chlamydia and gonorrhea — 1 to 2 weeks; syphilis — 3 to 6 weeks; hepatitis C — 8 to 11 weeks for antibody test; herpes antibodies — 12 to 16 weeks. If you test within the window period and get a negative result, repeat the test after the window has closed.

Tips for Keeping Up with Testing

• Build testing into your routine — book it alongside other health appointments rather than waiting until you have a specific concern.

• Know your window periods — if you have had a recent exposure and test negative, check whether you are within the window period before concluding you are clear.

• Use online testing services if accessing a clinic is inconvenient — home testing kits allow you to test confidentially and on your own schedule.

• Test more frequently if your risk increases — a new partner, inconsistent condom use, or a partner disclosure are all triggers to test sooner rather than waiting for your next scheduled test.

• Request a comprehensive panel — standard panels vary in what they include. Ask specifically about trichomoniasis, mycoplasma genitalium, and any infections you have particular reason to be concerned about.

Frequently Asked Questions

If I feel fine, do I still need to get tested?

Yes. The most common STDs — chlamydia, gonorrhea, HPV, and herpes — are frequently asymptomatic. Up to 75% of chlamydia cases in women produce no symptoms. HIV can be present for years before causing detectable illness. The absence of symptoms is not a reliable indicator of infection status.

How do I know which tests I actually need?

The right panel depends on your gender, sexual practices (vaginal, anal, oral), number of partners, and history. A sexual health clinician can advise on the appropriate tests for your specific situation. Being honest about the types of sex you have and with how many partners ensures you get the tests that are actually relevant.

What is included in a standard STD panel?

Standard panels vary between providers, but typically include HIV, chlamydia, gonorrhea, and syphilis. They often do not include herpes, HPV, trichomoniasis, or mycoplasma genitalium unless specifically requested. Always ask what is and is not included in the panel you are offered.

Can I get tested too often?

In terms of health, no — more frequent testing means earlier detection if infection occurs. In terms of practicality, testing more often than your risk level justifies is unnecessary but harmless. For most people, the problem is testing too infrequently rather than too often.

Does my partner need to be tested at the same time?

If either partner tests positive, both need to be tested and treated. Testing at the same time is good practice for couples who have not both been recently tested, and before transitioning from protected to unprotected sex in a new relationship.

Get Tested Today

Whether you are overdue for a routine test or have a specific concern, fast, confidential testing is available at sexual health clinics, GP surgeries, and through online services, with results typically within 1–3 days.

Related reading: Can You Have an STD With No Symptoms? · What’s the Fastest Way to Get Tested? · How Soon After Exposure Should You Test? · STD Testing for Couples