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STD Testing in Big Wells, TX: Free, Same-Day & Confidential

In Big Wells, Texas, Dimmit County reports about 993 chlamydia cases per 100,000 residents, well above the US average. If you live in Big Wells, Texas, and are considering STI testing whether you have symptoms or just want peace of mind, you can weigh the benefits of personalized care from a local clinic against the convenience of an at-home kit. Below are some options for testing.

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  • Clinics, labs & at-home kits compared
  • Free & low-cost options included
  • Backed by CDC, CMS & Census data
  • Editorially reviewed

Available testing centers

STD testing near Big Wells, TX

4 testing options are listed for Big Wells, TX. The nearest, South Texas Rural Health Services, is about 0.2 miles away. Compare 1 community and public clinic, private labs, and at-home kits below.

How to read these listings

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.

Community health center 0.2 miles

South Texas Rural Health Services

Where these reviews come from

Review sources

  • Google10
  • EasySTD1
Rated 2.7 out of 5 from 11 reviews

South Texas Rural Health Services in Big Wells tests for gonorrhea, chlamydia, syphilis, herpes, HIV, hepatitis B, hepatitis C, and TB, with same-visit treatment for bacterial STIs, on a sliding-scale fee accepted by Medicaid, Medicare, and most insurers. Appointments are required. Care is delivered in Spanish.

Read full overview Show less

Spanish Is the Working Language of Care

Spanish functions as a primary language of clinical operations at South Texas Rural Health Services, not a supplemental accommodation. Providers conduct intake, counseling, diagnosis, and treatment instruction directly in Spanish, so nothing about your exposure history, symptoms, or treatment plan passes through a secondary layer before it reaches you.

Herpes and Hepatitis Tested Alongside the Standard Four

The testing panel at South Texas Rural Health Services is built to include herpes, hepatitis B, and hepatitis C alongside gonorrhea, chlamydia, syphilis, and HIV. Each of those additions requires its own specimen collection and laboratory pathway, staffed and processed on-site, so a single appointment captures infections that a narrower panel would leave undetected.

Tests & treats Sliding-scale
Address
1502 Grand Avenue, Big Wells, TX 78830
Booking
Appointment required
Opening hours
  • Monday 9:00 AM – 6:00 PM
  • Tuesday 8:00 AM – 5:00 PM
  • Wednesday 8:00 AM – 5:00 PM
  • Thursday 9:00 AM – 6:00 PM
  • Friday 8:00 AM – 5:00 PM
  • Saturday Closed
  • Sunday Closed
Website
Premium Partner

Quest Diagnostics

Results in 1–2 days
No ratings yet
Address
2151 West Oaklawn Road, Pleasanton, TX 68.9 miles away
Opening hours
  • Monday 7:00 AM – 3:30 PM
  • Tuesday 7:00 AM – 3:30 PM
  • Wednesday 7:00 AM – 3:30 PM
  • Thursday 7:00 AM – 3:30 PM
  • Friday 7:00 AM – 3:30 PM
  • Saturday Closed
  • Sunday Closed
  • Chlamydia
  • Gonorrhea
  • Syphilis
  • Herpes
  • Hepatitis A
  • Hepatitis B
  • Hepatitis C
  • Rapid HIV
  • Conventional HIV
See tests & prices

Today's offer: $10 off any test panel, applied automatically at checkout.

Premium Partner

Labcorp

Results in 1–2 days
No ratings yet
Address
6801 Mcpherson Road, Laredo, TX 69.7 miles away
Opening hours
  • Monday 7:00 AM – 4:00 PM
  • Tuesday 7:00 AM – 4:00 PM
  • Wednesday 7:00 AM – 4:00 PM
  • Thursday 7:00 AM – 4:00 PM
  • Friday 7:00 AM – 4:00 PM
  • Saturday Closed
  • Sunday Closed
  • Chlamydia
  • Gonorrhea
  • Syphilis
  • Herpes
  • Hepatitis A
  • Hepatitis B
  • Hepatitis C
  • Rapid HIV
  • Conventional HIV
See tests & prices

Today's offer: $10 off any test panel, applied automatically at checkout.

Premium Partner

Clinical Pathology Labs

Results in 1–2 days
No ratings yet
Address
6801 Mcpherson, Laredo, TX 69.7 miles away
  • Chlamydia
  • Gonorrhea
  • Syphilis
  • Herpes
  • Hepatitis A
  • Hepatitis B
  • Hepatitis C
  • Rapid HIV
  • Conventional HIV
See tests & prices

Today's offer: $10 off any test panel, applied automatically at checkout.

Free tool · not a clinic

When can I test? Exposure-window calculator

Testing too soon can miss an infection. Enter the date of possible exposure to see the earliest a test can reliably detect each STI.

Detection windows for every 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.

Find your match in 10 seconds

What matters most to you?

What will it cost? Estimate your STD test

Typical out-of-pocket ranges by option, actual cost depends on which tests you need.

  • Public / community clinic

    Free HIV testing is common

    $0–$25

  • Private lab (self-pay)

    Never billed to insurance

    $24–$200

  • At-home kit

    Mailed to your door, private

    From $49

  • Doctor / urgent care

    Often $0 preventive with insurance

    $0–$50 copay

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Every other option

More ways to get tested in Big Wells, TX

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

At-home STD testing in Big Wells, TX

The nearest testing center is less than a mile away; if you'd rather skip the trip, an at-home kit ships to Big Wells, 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.

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

Other CLIA-certified labs near Big Wells, TX

Beyond the public testing sites above, these federally certified (CLIA) labs serve Dimmit 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.

  • Dimmit Regional Hospital

    704 Hospital Drive, Carrizo Springs, TX 78834

    CMS-certified lab Accredited · COLA

    • STD testing
    Call Directions

Source: CMS CLIA registry (Provider of Services), Q1 2026. Federal public records: active CLIA-certified laboratories near Big Wells. 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

Clinicians near Big Wells, TX who may help arrange STD testing

Beyond dedicated clinics, 5 primary-care, OB-GYN, infectious-disease and other clinicians have a CMS practice record within 30 miles of Big Wells. They may be able to evaluate symptoms or order a confidential STD panel during a regular visit, and 2 offer telehealth.

  • Marcela Riojas, MD Telehealth

    Family medicine · 1502 Grand Avenue, Big Wells

    Call Directions

  • Remigius Okea, MD

    Family medicine · 2212 North 1st Street, Carrizo Springs

    Call Directions

  • Michael Owolabi, MD

    OB-GYN · 706 Hospital Drive, Carrizo Springs

    Call Directions

  • Opeyemi Falebita, MD

    Family medicine · 404 South 8th Street, Carrizo Springs

    Directions

  • Elva Camero, MD Telehealth

    Family medicine · 302 North Main Street, Cotulla

    Call Directions

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

Pharmacies near Big Wells, TX

No pharmacy near Big Wells, TX 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.

Showing the 5 closest pharmacies to Big Wells, TX.

Directory records identify nearby pharmacies. Service, stock, price, and hours information is shown only when supported by current location-specific evidence.

Prevention & treatment

PrEP, prevention & online treatment

Testing is one step. For residents of Big Wells, 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.

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

STDs & HIV in Dimmit County: the local picture

How reported STI rates in Dimmit County, the county that includes Big Wells, compare with Texas and U.S. averages, based on the most recent 2023 surveillance data. An estimated ~30% of residents are aged 15–34 (ACS), the age group with the highest reported chlamydia and gonorrhea rates nationally.

#3 of 254 Texas counties for chlamydia, among the very highest in the state

Reported STD rates per 100,000, Dimmit County vs Texas vs U.S.

Dimmit County Texas U.S. ▲▼ = Dimmit County vs the state average
Infection Dimmit County Texas United States
Chlamydia
993.1 82 cases ▲ 102%
491.9 492.2
Gonorrhea
545 45 cases ▲ 209%
176.4 179.5
Syphilis (P&S)
36.3 3 cases ▲ 142%
15 15.8
Syphilis (early)
72.7 6 cases ▲ 175%
26.4 16
Syphilis (late/unknown)
24.2 2 cases ▼ 45%
44.3 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.

Reported STD rates in Dimmit County over time (per 100,000)

Chlamydia ▼ 16% vs 2022
Chlamydia Gonorrhea Syphilis (P&S)
0 1025 2050 2020202120222023

Between 2020 and 2023 in Dimmit County, chlamydia has risen from 441.1 to 993.1 per 100,000 (125%), gonorrhea has risen from 139.3 to 545 per 100,000 (291%), and P&S syphilis has risen from 11.8 to 36.3 per 100,000 (208%).

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

What shapes testing access in and around Big Wells, TX

Adults uninsured
45.4%
No routine checkup
26.2%
Binge drinking
12.2%
Frequent mental distress
18.6%
Depression
20.3%
Below poverty line
43.9%
Primary-care ratio
2,824 : 1
Dimmit County
  • Primary-care shortage score 18 / 26
  • Medically Underserved Area · IMU 58
  • Social Vulnerability Index · 100th percentile nationally

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 Dimmit County.

Local HIV snapshot

HIV in Dimmit County (2023)

People living with HIV
136 / 100k
PrEP users / 100k
76

Dimmit County HIV care continuum (2021)

Dimmit County recorded 0 new HIV diagnoses per 100,000 (2021), against 20.2 statewide and 13.7 nationally. Among Dimmit County residents living with HIV, 77.8% are in care · 66.7% 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.

Pregnant or planning to be?

Congenital syphilis is the fastest-rising STI: what to test, and when

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 Dimmit County tests for syphilis.

Source: CDC NCHHSTP AtlasPlus, 2023 (county-level congenital syphilis is not published).

Reviewed & Fact-Checked · Updated

Reviewed by EasySTD Editorial Team (opens in a new tab)

Compiled and checked by EasySTD's editorial team against CDC and public-health sources. This is educational information, not a substitute for advice from a licensed clinician. Our editorial guidelines → (opens in a new tab)

17 Sources

Local resources & officials

Data & references

Local context

About Big Wells, TX

TX 85, Grand Avenue in Big Wells, runs through a town where home values sit well below state norms and most households own rather than rent, a sign of deep local roots rather than transient churn. That stability is real, but it comes alongside an economy where labor-force participation is notably low and unemployment runs high, meaning a significant share of residents are working around tight or irregular schedules, and tight budgets. With few households in the higher income brackets, even a modest out-of-pocket fee for a screening can feel like a genuine line-item decision rather than a minor errand. Those pressures land unevenly on younger adults in their late teens and twenties, who make up a substantial slice of Big Wells and represent the years when STI transmission tends to peak.

Precisely the people for whom cost and convenience either open or close the door on routine testing. Large average household sizes here mean privacy considerations matter too; a shared home of nearly five people is a different environment for a health conversation than a solo apartment. Knowing which clinic fits your schedule and budget before you get in the car is the practical starting point.

Getting there

How residents reach STD testing in Big Wells, TX

Walkability 5.65 / 20 · Least walkable

At 5.65/20 on the EPA walkability index, day-to-day errands in Big Wells 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.

Map of 4 STD & STI testing locations in Big Wells, Texas, EasySTD

ZIP 78830 snapshot

Residents
471
Median age
39.3
Median income
$32,841

ZIP-level Census figures for the wider 78830 area around Big Wells: a single ZIP can span several communities, so they describe the area, not Big Wells alone.

Big Wells sits in Dimmit County, ZIP 78830. Local context that shapes where residents test:

Major routes

  • TX 85 (Grand Avenue)

Reference

STD testing in Big Wells, TX: screening, costs & privacy

Everything to know before you test in Dimmit County: the CDC's screening guidelines, each infection's detection window, per-test reference prices, and your privacy rights under Texas law. If you have symptoms right now, our confidential symptom checker maps them to the tests worth considering.

Who should test, and when

CDC screening schedule + each infection's detection window

Who should get tested, and how often

Based on current CDC screening recommendations.

GroupTestsHow 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

When to test: STD detection windows

Testing too early can return a false negative, confirm timing with a Big Wells-area provider.

InfectionEarliest reliable testSample
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
Browse all STD & STI guides

What each STD test costs

Medicare reference prices per lab test, a benchmark before you pay out of pocket

These are the federal Medicare reference prices for processing each lab test. Public clinics and the community health centers serving Big Wells 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.

TestReference priceCPT / 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.

Confidentiality & consent in Texas

Minor consent and partner treatment (EPT) under state law, plus how to test privately

Two things that actually depend on Texas 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).

Can a minor consent on their own?

In Texas, a minor of any age can consent to confidential STI testing and treatment on their own, no parental permission is required.

Can my partner be treated too? (EPT)

Texas 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 Texas

Source: Guttmacher Institute, Minors' Access to STI Services; CDC, Legal Status of Expedited Partner Therapy. General information, not legal advice.

Good to Know

STD testing FAQs for Big Wells, TX

Answers to the questions people ask most before getting tested.

How many places can I test near Big Wells, TX?

There is 1 option within a 30-mile drive.

How much does STD testing cost near Big Wells, TX?

Private labs run about $24 for one test and $139 for a full panel; at-home kits are $49+.

Can I get tested in Big Wells, TX without insurance?

Public clinics serve people without insurance, often on a sliding scale.

What's included in a full panel near Big Wells, TX?

A full panel typically covers chlamydia, gonorrhea, syphilis, HIV, and hepatitis B and C.

How common is chlamydia in Dimmit County?

Dimmit County reported ~993 chlamydia cases per 100,000 in 2023, above the Texas average.

Can someone under 18 get tested in Texas without a parent?

In Texas, people under 18 can consent to confidential STD testing and treatment on their own.

Is my STD test private?

Your results are part of your HIPAA-protected medical record; you can ask any clinic about its own privacy practices.

My test was positive, what now?

A positive means treatment is the next step; many STIs are cured with antibiotics, and all are treatable.

Is STI testing different from STD testing?

No real difference for testing, "STI" is just the current term for what used to be called "STD."

Is syphilis curable?

Yes, syphilis is cured with antibiotics (usually penicillin), and earlier treatment prevents long-term damage.

Have a different question? Browse the full STD & STI FAQ library, every question we answer, in one place.