In Madison County, new HIV diagnoses run about 51% lower than the US average. If you've had a recent risk or simply test on a regular schedule in Alton, Illinois, you have several options. Clinics may be low-cost or free, but private labs offer faster results and more flexible scheduling.
Available testing centers
12 testing options are listed for Alton, IL. The nearest, Southern Illinois Healthcare Foundation, is about 0.3 miles away. Compare community and public clinics, private labs, and at-home kits below.
Listings tagged Community health center are federally funded health centers and rural clinics that treat everyone regardless of insurance or ability to pay: required to bill on a sliding fee scale and provide confidential care, and in many states minors may consent to their own STI testing. A Title X tag flags centers funded for confidential family-planning services; confirm current participation when you call.
Source: CMS FQHC & Rural Health Clinic enrollment files (data.cms.gov), refreshed quarterly. Title X status reflects the latest OPA grantee list.
Southern Illinois Healthcare Foundation in Alton runs on sliding-scale fees with Medicaid, Medicare, and private insurance all accepted, making the standard gonorrhea, chlamydia, syphilis, and HIV panel reachable on most budgets. Donations are welcome but never required. Appointments are required.
When a language gap enters the exam room at Southern Illinois Healthcare Foundation, the real cost is a test result that doesn't translate into a treatment decision, and gonorrhea or chlamydia that goes another week without same-visit antibiotics. Spanish-language care here closes that gap at the clinical conversation itself, not after the fact.
Languages
English, Spanish
Tests offered
Serves
Care services
Prevention services
Fees & payment
Listing verified May 2026 · Source: CDC NPIN
SIHF Healthcare – Alton Circle, in Alton, earned its federal qualification by keeping care within reach for people navigating gaps in coverage, between providers, or paying out of pocket. Sliding-scale fees adjust to income, making syphilis, gonorrhea, and chlamydia screening available without an appointment.
Tests offered
Fees & payment
Madison County Health Department in Wood River operates as the public health infrastructure for the region, which means STI testing (gonorrhea, chlamydia, syphilis, rapid and conventional HIV) runs alongside TB screening, family planning, and partner notification, all by appointment and all at no fee.
Madison County Health Department absorbs cost through public health funding structures (Medicaid, Medicare, and departmental resources) so the fee line on every service reads zero. No service is tiered to ability-to-pay; the billing infrastructure handles what most clinics pass to the patient.
Without on-site PrEP and PEP access, the gap between a conversation and a prescription can stretch into weeks and additional appointments. Madison County Health Department carries both, so HIV prevention medication is prescribed and managed here. No secondary clinic, no delay added to the process.
Madison County Health Department tests for herpes and hepatitis C alongside gonorrhea, chlamydia, syphilis, and HIV. Meaning infections that often go undetected on a shorter panel get caught at this visit, giving a fuller clinical picture before any treatment decisions are made.
Languages
English
Tests offered
Serves
Care services
Prevention services
Fees & payment
Listing verified Apr 2026 · Source: CDC NPIN
A safety-net rural health clinic about 5 miles from Alton. Sliding-scale STD testing and care are typical here, call ahead to confirm the exact panel and pricing.
Tests offered
Mercy-GoHealth Urgent Care in Florissant tests for gonorrhea, chlamydia, herpes, hepatitis A, B, and C on a sliding-scale fee, with insurance and Medicaid accepted. Walk-ins are welcome, and bacterial STIs are treated the same visit.
Leaving gonorrhea and chlamydia untreated is a known risk, but herpes or hepatitis B can quietly persist when no one orders those tests. Mercy-GoHealth Urgent Care in Florissant runs the full panel: gonorrhea, chlamydia, herpes, and hepatitis A, B, and C, so gaps that require a second appointment elsewhere don't happen here.
Language access at many urgent-care clinics means a card on the counter and instructions to sort it out later. Mercy-GoHealth Urgent Care in Florissant has interpretation services available for non-English languages, so the conversation about symptoms, test results, and treatment happens during the appointment. Not as a separate exercise after it.
Languages
English, Interpretation Services Available for Non-English Languages
Tests offered
Serves
Care services
Prevention services
Fees & payment
Listing verified Sep 2025 · Source: CDC NPIN
Chestnut Family Health Center in Granite City anchors its STI care in a sliding-scale fee structure tied directly to income, so cost alone won't keep someone from getting screened. The federally qualified clinic offers syphilis, gonorrhea, and chlamydia testing, with no appointment necessary.
Tests offered
Fees & payment
Williams and Associates in Florissant runs appointments-only STI care (gonorrhea, chlamydia, syphilis, herpes, hepatitis C, and rapid or conventional HIV testing) with same-visit bacterial treatment, sliding-scale fees, and every test and visit provided at no charge.
Sliding-scale fees are the norm in STI care, you pay something based on income, even at low-cost clinics. Williams and Associates absorbs the full cost instead: no fee for any test, any visit, any treatment, regardless of what you earn or whether you carry insurance.
Williams and Associates tests for herpes and hepatitis C alongside gonorrhea, chlamydia, syphilis, and HIV. Standing capability for anyone without a regular provider who needs a genuinely complete picture rather than a partial one. Hepatitis C is managed on-site, and bacterial infections are treated the same day.
Languages
English
Tests offered
Serves
Care services
Prevention services
Fees & payment
Listing verified Jan 2026 · Source: CDC NPIN
Betty Jean Kerr Peoples Health Centers in Florissant delivers gonorrhea, syphilis, chlamydia, and herpes testing alongside same-visit treatment for bacterial infections. Appointments required. Fees run on a sliding scale with Medicaid, Medicare, and insurance all accepted.
Languages
English
Tests offered
Serves
Care services
Prevention services
Fees & payment
Listing verified Dec 2025 · Source: CDC NPIN + HRSA
Free tool · not a clinic
Testing too soon can miss an infection. Enter the date of possible exposure to see the earliest a test can reliably detect each STI.
| Infection | Earliest reliable test | Conclusive after |
|---|---|---|
| Chlamydia | 7 days after exposure | 14 days after exposure |
| Gonorrhea | 7 days after exposure | 14 days after exposure |
| Trichomoniasis | 7 days after exposure | 28 days after exposure |
| HIV (NAT / RNA) | 10 days after exposure | 33 days after exposure |
| HIV (4th-gen Ag/Ab) | 18 days after exposure | 45 days after exposure |
| HIV (antibody) | 21 days after exposure | 84 days after exposure |
| Syphilis | 21 days after exposure | 42 days after exposure |
| Hepatitis B | 21 days after exposure | 42 days after exposure |
| Hepatitis C | 56 days after exposure | 77 days after exposure |
| Herpes (HSV) | 28 days after exposure | 112 days after exposure |
Guidance only, confirm timing with a clinician. A negative result before the conclusive date may need a repeat test.
Typical out-of-pocket ranges by option, actual cost depends on which tests you need.
Public / community clinic
Free HIV testing is common
Private lab (self-pay)
Never billed to insurance
At-home kit
Mailed to your door, private
Doctor / urgent care
Often $0 preventive with insurance
No centers match those filters. Clear the service-type filter or the opening-hours filters to see every center.
Every other option
Beyond the dedicated testing centers above: at-home kits by mail, hospital labs certified for STI testing, local clinicians who can order a panel during a regular visit, pharmacies for self-test kits and prescriptions, and online PrEP & treatment.
Test from home
The nearest testing center is less than a mile away; if you'd rather skip the trip, an at-home kit ships to Alton, you collect the sample privately, and mail it back to a CLIA-certified lab. Results come online in days, with a clinician available if anything is positive. Same labs as a clinic, no waiting room, and you can read how accurate at-home STD tests are before you order.
Want a free option first? The CDC-supported TakeMeHome (opens in a new tab) program mails free at-home HIV self-test kits, and, in many areas, free STI kits, to your door, with no insurance or payment needed. The paid kits below add broader panels and faster turnaround.
In-home collection
$79 & up
Best for simplicity & support
$89 & up
Best range: couples & full panels
$79 & up
Every kit uses CLIA-certified labs. At-home testing is for screening; a reactive result should be confirmed and treated by a clinician. Prices and panels shown are illustrative and change often, confirm current details on the provider's site.
Also in the area
Beyond the public testing sites above, these federally certified (CLIA) labs serve Madison County, each lab's town is shown on its card below. Many test through a doctor's order or by appointment rather than walk-in, so call ahead to confirm STD/STI testing and availability before visiting.
One Memorial Drive, Alton, IL 62002
CMS-certified lab Accredited · College of American Pathologists
4 Memorial Dr - Medical Office Building B - Suite 132, Alton, IL 62002
CMS-certified lab Accredited · College of American Pathologists
1 St Anthony'S Way, Alton, IL 62002
CMS-certified lab Accredited · College of American Pathologists
2800 College Avenue, Alton, IL 62002
CMS-certified lab
2800 College Avenue, Alton, IL 62002
CMS-certified lab
Source: CMS CLIA registry (Provider of Services), Q1 2026. Federal public records: active CLIA-certified laboratories near Alton. A CLIA certificate records only that a laboratory is federally certified — it does not confirm the site performs STD testing, nor its hours, price or access. Inclusion is not an endorsement; always call to verify.
Local clinicians
Beyond dedicated clinics, 1,779 primary-care, OB-GYN, infectious-disease and other clinicians have a CMS practice record within 30 miles of Alton. They may be able to evaluate symptoms or order a confidential STD panel during a regular visit, and 462 offer telehealth.
Dennis Sands, MD
OB-GYN · 2 Saint Anthonys Way, Alton
Adnan Siddiqui, MD Telehealth
Infectious disease · 1 Saint Anthonys Way, Alton
Ibrahim Elayyan, MD
Internal medicine · 1 Saint Anthonys Way, Alton
James Lovinggood, MD
Urology · 2 Saint Anthonys Way, Alton
Mena Metias, MD
Family medicine · 2615 Edwards Street, Alton
Christine Taylor, MD
OB-GYN · 4 Memorial Drive, Alton
These are registry-listed clinicians, not dedicated STD-testing clinics. CMS records do not independently verify current licensure, testing services, availability, price, or new-patient status. Confirm each detail before booking. Source: CMS Doctors & Clinicians.
Nearby pharmacies
No pharmacy near Alton, IL publishes an STD-related service or holds a current CLIA testing certificate, so these are simply the closest. Contact a location directly to confirm counter hours, services, prices, and availability before visiting.
0.2 mi Genoa Healthcare
0.3 miHome Care Pharmacy Refill CTR
0.6 mi
0.9 mi B and D Pharmacy
1.0 miShields Family Pharmacy
1.0 miShowing the 6 closest pharmacies to Alton, IL.
Directory records identify nearby pharmacies. Service, stock, price, and hours information is shown only when supported by current location-specific evidence.
Prevention & treatment
Testing is one step. For residents of Alton, telehealth covers the rest: HIV-prevention medication (PrEP) and DoxyPEP to lower future risk, and discreet online treatment if a result comes back positive. All prescribed by licensed U.S. clinicians.
$0 with most insurance
Free online PrEP & DoxyPEP: HIV prevention, home lab kits, no in-person visit
Visit from $0 insured
Telehealth STI treatment and sexual-health care, delivered or to your pharmacy
From $0 insured
Telehealth PrEP & DoxyPEP with at-home testing and ongoing monitoring
Visit from $39
Online STI treatment & DoxyPEP: same-day prescriptions to your pharmacy
Pricing varies by insurance and changes often, confirm on the provider's site. These services are not a substitute for emergency care.
STD stats & rates
How reported STI rates in Madison County, the county that includes Alton, compare with Illinois and U.S. averages, based on the most recent 2023 surveillance data. An estimated ~25% of residents are aged 15–34 (ACS), the age group with the highest reported chlamydia and gonorrhea rates nationally.
#21 of 102 Illinois counties for chlamydia, a higher rate than 79% of the state
| Infection | Madison County | Illinois | United States |
|---|---|---|---|
| Chlamydia | 441.9 1,161 cases ▼ 21% | 557.7 | 492.2 |
| Gonorrhea | 160.2 421 cases ▼ 21% | 202.3 | 179.5 |
| Syphilis (P&S) | 17.5 46 cases ▲ 51% | 11.6 | 15.8 |
| Syphilis (early) | 5.7 15 cases ▼ 48% | 10.9 | 16 |
| Syphilis (late/unknown) | 17.1 45 cases ▼ 34% | 26 | 29.5 |
Rates per 100,000 population, 2023. Source: CDC NCHHSTP AtlasPlus (county, state & U.S., all-ages basis). Population figures: U.S. Census Bureau ACS. These figures are the latest available surveillance estimates. Bars are scaled to the highest rate shown.
Reading these numbers: reported case rates only count infections that were actually tested for and diagnosed, so they track local screening effort as much as true spread: a higher rate can reflect more testing, a lower one less. Either way, most STIs cause no symptoms, so treat the figures above as context rather than a verdict, and test on the CDC's schedule regardless of how your area looks.
Between 2020 and 2023 in Madison County, chlamydia has fallen from 448 to 441.9 per 100,000 (1%), gonorrhea has fallen from 208.4 to 160.2 per 100,000 (23%), and P&S syphilis has risen from 7.5 to 17.5 per 100,000 (133%).
The 2020 dip reflects reduced pandemic-era screening, not lower transmission. Source: CDC NCHHSTP AtlasPlus (county, state & U.S., all-ages basis).
Community health context
Sources: CDC PLACES (ZIP), County Health Rankings, CDC/ATSDR SVI, HRSA HPSA, HRSA MUA/P, Neighborhood Atlas ADI. Lower insurance coverage, fewer routine checkups, and a thin primary-care ratio all raise the value of low-cost public clinics and at-home testing in Madison County.
Local HIV snapshot
Madison County HIV care continuum (2023)
Madison County recorded 6.7 new HIV diagnoses per 100,000 (2023), against 14.7 statewide and 13.7 nationally. Among Madison County residents living with HIV, 79.1% are in care · 64.5% are virally suppressed. Early, routine testing is what moves these numbers: it is the entry point to PrEP, treatment, and viral suppression.
Sources: AIDSVu (Emory/Gilead) · CDC AHEAD · CDC AtlasPlus · CDC NCHHSTP AtlasPlus (county care continuum). The CDC recommends everyone aged 13–64 test for HIV at least once: every lab and clinic listed above offers HIV testing, and free rapid HIV testing is available at a local health department.
Congenital syphilis, passed from parent to baby in pregnancy, is the fastest-rising STI in the country. U.S. cases climbed from 2,163 in 2020 to 3,882 in 2023. It is almost entirely preventable: the CDC recommends a syphilis test at the first prenatal visit, and every clinic and lab listed for Madison County tests for syphilis.
Source: CDC NCHHSTP AtlasPlus, 2023 (county-level congenital syphilis is not published).
Local resources & officials
Data & references
Local context
Homer M Adams Parkway carries most of the cross-town traffic in Alton, and the drive out to reach the nearest listed option, whether you head north on IL 3 or cut across on US 67, can eat a chunk of a lunch break or an afternoon off. That time cost lands differently when nearly one in ten residents in the labor force is currently without work and typical rent sits well below the state average, leaving household budgets thin enough that an unpaid hour away from a shift matters. Alton's housing picture is mostly ownership, but a substantial share of households rent, and with home values among the more modest in the region, neither group is carrying much financial cushion.
When a screening visit means arranging transportation, covering a fee out of pocket, or stepping away from hourly work, the calculus changes. Young adults still forming relationships, partnering, and sorting out living situations make up a meaningful portion of Alton's population, and they are the group where STIs circulate most actively. With average households running just over three people and fewer than four in ten adults currently married, many residents are navigating exactly the life stages where routine screening belongs on the calendar alongside everything else.
Getting there
At 7.99/20 on the EPA walkability index, day-to-day errands in Alton generally mean driving: plan on a car or rideshare to reach a clinic, and check each listing's hours and phone before you go.
Source: EPA National Walkability Index 2021.
ZIP 62002 snapshot
ZIP-level Census figures for the wider 62002 area around Alton: a single ZIP can span several communities, so they describe the area, not Alton alone.
Alton sits in Madison County, ZIP 62002. Local context that shapes where residents test:
Local landmarks
Neighborhoods & communities
Major routes
Nearby cities & towns
Just outside Alton? These nearby communities have their own testing guides: clinics, at-home kits, and free screening close to home.
Reference
Everything to know before you test in Madison County: the CDC's screening guidelines, each infection's detection window, per-test reference prices, and your privacy rights under Illinois law. If you have symptoms right now, our confidential symptom checker maps them to the tests worth considering.
Based on current CDC screening recommendations.
| Group | Tests | How often |
|---|---|---|
| Everyone aged 13–64 | HIV | At least once |
| Sexually active women under 25 | Chlamydia, gonorrhea | Every year |
| Women 25+ with new or multiple partners | Chlamydia, gonorrhea | Every year |
| Pregnant people | HIV, syphilis, hepatitis B & C, chlamydia | Early in pregnancy |
| Gay & bisexual men (MSM) | Chlamydia, gonorrhea, syphilis, HIV | Every 3–6 months |
| Anyone who shares injection equipment | HIV, hepatitis B & C | At least yearly |
| All adults at least once | Hepatitis C | At least once |
Testing too early can return a false negative, confirm timing with an Alton-area provider.
| Infection | Earliest reliable test | Sample |
|---|---|---|
| Chlamydia | 1–2 weeks | Urine or swab |
| Gonorrhea | 1–2 weeks | Urine or swab |
| Trichomoniasis | 1–4 weeks | Urine or swab |
| HIV (NAT / RNA) | 10–33 days | Blood |
| HIV (4th-gen Ag/Ab) | 18–45 days | Blood |
| HIV (antibody) | 3–12 weeks | Blood / oral |
| Syphilis | 3–6 weeks | Blood |
| Hepatitis B | 3–6 weeks | Blood |
| Hepatitis C | 8–11 weeks | Blood |
| Herpes (HSV) | 4–16 weeks (antibody); swab a sore | Blood / swab |
These are the federal Medicare reference prices for processing each lab test. Public clinics and the community health centers serving Alton often test free or on a sliding scale; private labs and at-home kits bundle several tests into one fee. Use this as a per-test benchmark before you pay out of pocket, or see the full guide to STD test costs for insurance, free, and at-home options.
| Test | Reference price | CPT / HCPCS |
|---|---|---|
| Chlamydia (NAAT) | $47.80 | 87491 |
| Gonorrhea (NAAT) | $47.80 | 87591 |
| Trichomoniasis (NAAT) | $47.76 | 87661 |
| HIV-1/2 antigen/antibody | $26.87 | 87389 |
| HIV-1/2 antibody | $22.44 | 86703 |
| Syphilis (RPR/VDRL) | $5.61 | 86592 |
| Syphilis (treponemal antibody) | $17.49 | 86780 |
| Herpes (HSV NAAT) | $47.76 | 87529 |
| Hepatitis B surface antigen | $15.33 | 87340 |
| Hepatitis C antibody | $29.16 | 86803 |
Source: Medicare Clinical Laboratory Fee Schedule, CMS, 2025 rates (data.cms.gov). Reference rate for the lab assay only: a clinic visit, sample collection, or a bundled multi-test panel may cost more. Medicaid and most insurers cover STD screening at no out-of-pocket cost.
Two things that actually depend on Illinois law: who can consent, and whether partners can be treated without their own visit. Everything else about testing privately is the same nationwide (see below).
In Illinois, a minor aged 12 or older can consent to confidential STI testing and treatment on their own, no parental permission is required.
Illinois permits Expedited Partner Therapy (EPT): if you test positive for chlamydia or gonorrhea, your provider can give you medication (or a prescription) to pass to your partner, no separate exam or appointment needed for them.
Keeping a test private works the same in every state. Whether an STD test shows on insurance (the EOB), how to test anonymously, and self-pay options that leave no insurance trail don’t change by location.
Learn more about confidential STD testing in IllinoisSource: Guttmacher Institute, Minors' Access to STI Services; CDC, Legal Status of Expedited Partner Therapy. General information, not legal advice.
Good to Know
Answers to the questions people ask most before getting tested.
Yes, several local labs offer same-day walk-in testing; best to call first.
Free at public clinics. Private labs run about $24 for one test and $139 for a full panel; at-home kits are $49+.
Public clinics serve people without insurance, often on a sliding scale.
A full panel typically covers chlamydia, gonorrhea, syphilis, HIV, and hepatitis B and C.
Madison County reported ~442 chlamydia cases per 100,000 in 2023, below the Illinois average.
In Illinois, people under 18 can consent to confidential STD testing and treatment on their own.
Yes, PrEP, a daily pill that helps prevent HIV in HIV-negative people, is available in the area.
Untreated chlamydia can lead to pelvic inflammatory disease and fertility problems, caught early, it's cured with antibiotics.
A kit ships to your address; you collect a urine, swab, or finger-stick sample, mail it to the lab, and get results online in a few days.
Get treated, notify partners, pause sex until cleared, and follow up, the infection is manageable.
Have a different question? Browse the full STD & STI FAQ library, every question we answer, in one place.