Reviewed by Ashley Harwyn, PA-C, ABAAHP | A4M Board Certified | Updated October 2, 2026
Most STIs cause no symptoms, so testing is the only way to know your status. Here is who should test, how often, which test to use, and why timing matters.
That is how we do it here: a judgment-free conversation about what actually fits your life, the specific tests that answer it, and straight talk about timing, because a test done at the wrong moment can miss a real infection. We keep it simple and private, and where it helps we fold it into your overall health picture. If something comes back positive, most STIs are easily treated or well managed, and knowing is always better than not.
- Most STIs are silent, so you can have one, and pass it on, while feeling completely healthy, which is exactly why testing matters.[4]
- The CDC recommends everyone aged 13 to 64 be tested for HIV at least once, and the USPSTF recommends HIV screening for everyone 15 to 65.[1][3]
- Sexually active women under 25 should be screened for chlamydia and gonorrhea every year, as should older women with risk factors.[1][2]
- People at higher risk, including men who have sex with men, benefit from more frequent screening, often every 3 to 12 months.[1]
- The right test depends on the infection: blood for HIV, syphilis, and hepatitis; urine or swab for chlamydia and gonorrhea.[4]
- Timing matters, because each infection has a window period before it shows up, and a negative test reflects your status at that point in time, not forever.[1]
Why testing matters even when you feel fine
Here is the single most important thing to understand about STIs: most of them are silent. Chlamydia, gonorrhea, HIV, and others frequently cause no symptoms or only mild ones, which means you can carry an infection, and unknowingly pass it to a partner, while feeling perfectly healthy.[4] Waiting for symptoms is not a strategy, because for many infections the symptoms never come until there is already a complication. Testing is simply how you find out, and finding out early is what keeps a treatable infection from becoming a serious one.
It also helps to know how broad modern STI care has become. The current national guidelines cover a wide range of infections, from chlamydia, gonorrhea, and syphilis to HIV, hepatitis, trichomoniasis, HPV, and herpes, and they have expanded the settings and sites where testing should happen, including the throat and rectum for people whose exposures warrant it.[5] That breadth is a good thing, because it means a thorough visit can rule in or out the infections that actually apply to you rather than a narrow default. It also means testing is most useful when it is guided by a few honest questions, so the panel reflects your real life instead of a one-size template. The guidelines exist precisely so that care is consistent and evidence-based, and we follow them rather than improvising.
The second thing worth knowing is that “get tested regularly” is more specific than it sounds. The guidelines are tailored: everyone should know their HIV status at least once, sexually active young women need annual chlamydia and gonorrhea screening, and people with more partners or higher-risk exposure need it more often.[1][2] Pregnancy adds its own screening, including HIV, syphilis, and hepatitis B, to protect the baby.[1] The point is that the right schedule is personal, and a short, honest conversation about your situation is what sets it, rather than a generic rule that over-tests some people and under-tests others.
A private, judgment-free visit that matches the right tests to your real exposures, explains window periods and timing, treats anything that turns up, and sets a screening schedule based on the guidelines and your life.
Waiting for symptoms that may never come, a vague once-a-year rule that over-tests some and under-tests others, testing too soon after an exposure, and a urine-only panel that misses throat or rectal infections.
Which test for which infection
Here is where matching matters, because there is no single STI test, and the right sample depends on the infection. The table below lays out the main tests and what each one is for, so you can see why a thorough panel is built from several pieces rather than one blood draw.
| Test type | What it detects | Notes |
|---|---|---|
| Blood test | HIV, syphilis, hepatitis B and C, sometimes herpes | The core of most panels[4] |
| Urine test | Chlamydia, gonorrhea, trichomoniasis | Simple, no swab needed for many infections[4] |
| Swab test | Chlamydia, gonorrhea, HPV, herpes | Taken at the relevant site, including throat or rectum[1] |
| NAAT | Chlamydia and gonorrhea specifically | The preferred, highly accurate method for these[1] |
Six questions about your risk
Check every statement that fits. Each one is a reason to build testing around your situation, and several together usually mean the guidelines call for screening more often.
Two things stand out. First, a real STI panel is assembled from the tests that fit your exposures, which is why a clinician asks a few direct questions before deciding what to run.[1] Second, for men who have sex with men, the guidelines specifically recommend testing at each site of contact, including the throat and rectum, because a urine test alone can miss infections there.[1] Matching the test to the exposure is the difference between a panel that reassures and one that actually catches what is present.
Window periods and honest expectations
This is the part that a quick in-and-out test often skips, and it matters. Every infection has a window period, the gap between exposure and when a test can reliably detect it. Test too soon after a possible exposure and you can get a falsely reassuring negative, which is why timing is part of the test, not an afterthought.[1] For HIV in particular, the right test and the right interval depend on how recent the exposure was, and we will tell you honestly when to test and whether a repeat test is needed to be confident.
Two more honest points. First, a negative result reflects your status at that moment, not a permanent clean slate, so ongoing testing matches ongoing activity. Second, if you are diagnosed with chlamydia or gonorrhea, the CDC recommends retesting about three months after treatment, because reinfection is common and worth catching.[1] None of this is meant to alarm you. It is meant to make your test actually mean something, which is the whole point of doing it, and it is why we treat STI testing as a short relationship rather than a one-off transaction.
Want testing that is private and actually matches your situation? That is a short, judgment-free conversation, not a guessing game. Call 843-981-0870 and we will run the right tests, explain the timing, and handle any result calmly and completely.
Private STI testing in Mount Pleasant and Charleston
If you want to get tested, book a private visit where a few direct questions decide which tests you actually need, and where your results are explained in plain language. A good clinic asks a few direct questions, runs the tests that fit, explains timing and window periods, treats anything that turns up, and keeps the whole thing confidential and routine.
Expect questions about partners, the type of exposure, and timing, because those answers decide whether a urine sample is enough or whether throat, rectal, or blood tests belong in the panel too. You can be seen in Mount Pleasant off Bramson Court or downtown at The Longevity Club on Rutledge Avenue, close to MUSC. Ashley Harwyn, PA-C keeps testing straightforward and private, connects it to your overall health when that helps, and handles any result calmly and completely. Testing your sexual health is ordinary, responsible care, and we treat it that way.
Annual Full Panel Labs
How STI testing fits into a complete picture of your health. Read Annual Full Panel Labs.
Sexual Dysfunction Therapy
Honest, evidence-based care for sexual health concerns. Read Sexual Dysfunction Therapy.
Pap Smears and Cervical Screening
Related screening that also covers HPV. Read Pap Smears and Cervical Screening.
If you want to compare testing options and prices
Ashley Harwyn, PA-C
PA-C, ABAAHP · Founder, Solcara Health
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Book an evaluation at The Longevity Club, 163 Rutledge Avenue downtown, or our Mount Pleasant office.
BOOK A CONSULTATION →Or call 843-981-0870
Ashley Harwyn, PA-C, ABAAHP
Founder, Solcara Health · Diplomate, American Board of Anti-Aging Health Practitioners (ABAAHP)
Ashley has practiced medicine for more than fifteen years. Her path into it began at home, with a family member born with a congenital heart defect and a childhood spent watching how much the quality of a clinician's attention could change the shape of a life. She has since practiced across a range of settings, including medical mission work in Uganda, before founding Solcara to build the kind of practice she kept wishing existed, one that treats women as whole people and tells them the truth about what the evidence does and does not support.
Full bio →References
The CDC 2021 STI treatment guidelines and screening recommendations, the US Preventive Services Task Force statements on chlamydia and gonorrhea screening and on HIV screening, and the National Library of Medicine MedlinePlus STD tests resource, each accessed October 2, 2026.
- Centers for Disease Control and Prevention. Sexually Transmitted Infections Treatment Guidelines, 2021: Screening Recommendations. cdc.gov
- U.S. Preventive Services Task Force. Chlamydia and Gonorrhea: Screening. 2021. uspreventiveservicestaskforce.org
- U.S. Preventive Services Task Force. Human Immunodeficiency Virus (HIV) Infection: Screening. 2019. uspreventiveservicestaskforce.org
- MedlinePlus, National Library of Medicine. STD Tests. 2024. medlineplus.gov
- Workowski KA, Bachmann LH, Chan PA, et al. Sexually Transmitted Infections Treatment Guidelines, 2021. MMWR Recommendations and Reports. cdc.gov
Medical Disclaimer: This page is for educational and informational purposes only and does not constitute medical advice, and reading it does not create a patient-provider relationship. It describes general medical information and categories of care, not a recommendation that any individual start, stop, or change any test, treatment, or medication. Any diagnosis or treatment decision requires evaluation by a qualified, licensed clinician who knows your personal and family history. Consult a qualified healthcare provider before making medical decisions. Information reflects sources available as of October 2, 2026.
Ashley Harwyn, PA-C, ABAAHP, is a Diplomate of the American Board of Anti-Aging Health Practitioners (ABAAHP) through A4M and the founder of Solcara Health. Solcara serves South Carolina from Downtown Charleston (163 Rutledge Ave, Ste 202, The Longevity Club) and Mt. Pleasant (496 Bramson Ct, Ste 120).




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