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STD Testing in Guaynabo, PR: Free, Same-Day & Confidential

New HIV diagnoses in Guaynabo Municipio run about 18% higher than the US average. Whether you need testing after a possible exposure or as part of routine care in Guaynabo Municipio, Puerto Rico, you'll balance cost, speed, and convenience. Public clinics keep costs down, private labs prioritize speed, and at-home kits trade a clinic visit for convenience. See your options below.

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

STD testing near Guaynabo, PR

7 testing options are listed for Guaynabo, PR. The nearest, HealthproMed Caparra Terrace, is about 2.1 miles away. Compare 7 community and public clinics, 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 2.1 miles

HealthproMed Caparra Terrace

Where these reviews come from

Review sources

  • Google4
  • EasySTD1
Rated 5 out of 5 from 5 reviews

HealthproMed Caparra Terrace in San Juan meets patients wherever they are in their coverage journey (uninsured, between providers, or paying out of pocket) through federally qualified status that anchors sliding-scale fees to income. STI screening for syphilis, gonorrhea, and chlamydia is available without an appointment.

Sliding-scale
Address
1400 Calle Dover, San Juan, PR 00920
Website
Community health center 2.4 miles

CDT Grupo Medico San Pablo, Inc. (CDT GMSP)

Where these reviews come from

Review sources

  • Google36
  • EasySTD4
Rated 3.2 out of 5 from 40 reviews

CDT Grupo Medico San Pablo, Inc. (CDT GMSP) in Bayamon welcomes walk-ins for STI screening without requiring an appointment. Federally qualified funding backs its sliding-scale fees, adjusting costs to each patient's income. A single visit can address syphilis, gonorrhea, and chlamydia testing in one stop.

Sliding-scale
Address
B7 Calle Santa Cruz, Bayamon, PR 00961
Website
Community health center 2.4 miles

CDT GMSP Pediatric Services Outpatient Clinic

No ratings yet

A community safety-net federally qualified health center about 2 miles from Guaynabo. Sliding-scale STD testing and care are typical here, call ahead to confirm the exact panel and pricing.

Sliding-scale
Address
C7 Calle 3, Bayamon, PR 00961
Website
Community health center 2.6 miles

Centro de Salud Integral Bayamon 2

Where these reviews come from

Review sources

  • Google4
  • EasySTD1
Rated 4 out of 5 from 5 reviews

Centro de Salud Integral Bayamon 2, in Bayamon, earns its federally qualified standing by tying STI screening fees directly to each patient's income. Walk-ins can access syphilis, gonorrhea, and chlamydia testing on a sliding scale, while Ryan White-funded HIV care extends the center's reach to people living with HIV.

Ryan White HIV care Sliding-scale
Address
59 Calle Santa Cruz, Bayamon, PR 00961
Website
Community health center 2.7 miles

Departamento de Salud de Puerto Rico

Where these reviews come from

Review sources

  • Google109
  • EasySTD5
Rated 1.8 out of 5 from 114 reviews

A community safety-net Ryan White HIV care about 3 miles from Guaynabo. Sliding-scale STD testing and care are typical here, call ahead to confirm the exact panel and pricing.

Ryan White HIV care
Address
1111 Calle Teniente Cesar Luis Gonzalez, San Juan, PR 00927
Opening hours
  • Monday 8:00 AM – 4:30 PM
  • Tuesday 8:00 AM – 4:30 PM
  • Wednesday 8:00 AM – 4:30 PM
  • Thursday 8:00 AM – 4:30 PM
  • Friday 8:00 AM – 4:30 PM
  • Saturday Closed
  • Sunday Closed
Website
Community health center 2.8 miles

Community Health Foundation of Puerto Rico

Where these reviews come from

Review sources

  • Google40
  • EasySTD5
Rated 2.9 out of 5 from 45 reviews

Community Health Foundation of in Bayamon, earned federal qualification that obligates it to offer STI screening (syphilis, gonorrhea, and chlamydia) on a sliding-scale fee tied to income, meaning cost adjusts to what each patient can actually pay.

Sliding-scale
Address
17 Calle Santa Cruz, Bayamon, PR 00961
Website
Community health center 3.6 miles

HealthproMed Foundation

Where these reviews come from

Review sources

  • Google13
  • EasySTD1
Rated 3.3 out of 5 from 14 reviews

HealthproMed Foundation in Guaynabo pairs STI care with full family planning and HIV medical treatment, testing for gonorrhea, chlamydia, syphilis, hepatitis A, B, and C, TB, and HIV: all on a sliding scale, with same-visit treatment for bacterial infections, by appointment, and all services at no fee.

Read full overview Show less

Every Service Carries a Zero Balance

Sliding-scale clinics typically still leave a remainder, a co-pay, a lab fee, a line item that follows you out. At HealthproMed Foundation, the sliding scale reaches all the way to zero: testing, treatment, counseling, and prevention services are provided at no fee, full stop.

Spanish Is the Language of Every Appointment

When STI care happens in a second language, the gap between what a provider asks and what a patient fully conveys can quietly widen, and that gap has clinical consequences. HealthproMed Foundation delivers every appointment in Spanish, so nothing gets lost between a question about symptoms and the treatment decision that follows.

PrEP Prescribed and Monitored On-Site

HealthproMed Foundation prescribes both PrEP and PEP directly, with the ongoing HIV testing and kidney-function monitoring that daily PrEP requires built into the clinic's own care cycle. Not delegated elsewhere. Uninsured patients are covered for PrEP through the clinic's dedicated program.

Tests & treats Sliding-scale PrEP
Address
Ave Ponce De Leon 121 Barrio Amelia, Guaynabo, PR 00965
Booking
Appointment required
Opening hours
  • Monday 7:30 AM – 5:00 PM
  • Tuesday 7:30 AM – 5:00 PM
  • Wednesday 7:30 AM – 5:00 PM
  • Thursday 7:30 AM – 5:00 PM
  • Friday 7:30 AM – 5:00 PM
  • Saturday Closed
  • Sunday Closed
Website

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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Rate what mattered to you, no account needed. Reviews are moderated before publishing.

Privacy & discretion
Wait time
Staff & comfort
Value for cost

Every other option

More ways to get tested in Guaynabo, PR

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.

At-home STD testing in Guaynabo, PR

The nearest testing center is about 2 miles away; if you'd rather skip the trip, an at-home kit ships to Guaynabo, 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.

Other CLIA-certified labs near Guaynabo, PR

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

  • Professional Hospital Guaynabo

    Ave Las Cumbres, Guaynabo, PR 00969

    CMS-certified lab

    • STD testing
  • Laboratorio Clinico DEL Pueblo

    Calle Carazo 96, Guaynabo, PR 00969

    CMS-certified lab

    • STD testing
  • Laboratorio Clinico Principal Caparra

    Carretera Pr-2, Kn 7 Hm 56, Guaynabo, PR 00966

    CMS-certified lab

    • STD testing
  • Laboratorio Clinico Borinquen Garden Hills Plaza

    Centro Comercial Garden Hills, Guaynabo, PR 00966

    CMS-certified lab

    • STD testing
  • High Profile Laboratory Maramar

    Maramar Plaza San Patricio Ave 101, Local G-2, Guaynabo, PR 00968

    CMS-certified lab

    • STD testing

Showing the nearest 5 CLIA-certified labs.

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

Clinicians near Guaynabo, PR who may help arrange STD testing

Beyond dedicated clinics, 973 primary-care, OB-GYN, infectious-disease and other clinicians have a CMS practice record within 30 miles of Guaynabo. They may be able to evaluate symptoms or order a confidential STD panel during a regular visit, and 60 offer telehealth.

  • Helga Rodriguez Rodriguez

    Internal medicine · 100 Carr 165 Torre 1, Guaynabo

  • Natalia Rodriguez Martino, MD

    Internal medicine · Hc 6 Box, Guaynabo

  • Raul O'Ferral, MD

    General practice · 100 Carr, Guaynabo

  • Miguel Anzalota Del Toro, MD

    Internal medicine · 9 Ave Las Cumbres Carr 199 Km, Guaynabo

  • Monica Rodriguez Velazquez, MD

    OB-GYN · 405 Calle Reina Isabel, Guaynabo

  • Alexandra Quintana Agesta, MD

    OB-GYN · 38 Calle Pentagrama, Guaynabo

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.

Pharmacies near Guaynabo, PR

No pharmacy near Guaynabo, PR 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.

  • Farmacia Marilu

    0.3 mi
    Rx pickupCondoms / EC
  • First Pharmacy # 6

    0.6 mi
    Rx pickupCondoms / EC
  • Prescription Health Resources of Puerto Rico

    0.8 mi
    Rx pickupCondoms / EC
  • Farmacia el Amal # 10

    1.0 mi
    Rx pickupCondoms / EC
  • Farmacia Alimar

    1.0 mi
    Rx pickupCondoms / EC

Showing the 5 closest pharmacies to Guaynabo, PR.

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

PrEP, prevention & online treatment

Testing is one step. For residents of Guaynabo, 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.

STDs & HIV in Guaynabo Municipio: the local picture

How reported STI rates in Guaynabo Municipio, the municipio that includes Guaynabo, compare with Puerto Rico and U.S. averages, based on the most recent 2023 surveillance data. An estimated ~24% of residents are aged 15–34 (ACS), the age group with the highest reported chlamydia and gonorrhea rates nationally.

#38 of 78 Puerto Rico counties for chlamydia, a higher rate than 51% of the state

Reported STD rates per 100,000, Guaynabo Municipio vs Puerto Rico vs U.S.

Guaynabo Municipio Puerto Rico U.S. ▲▼ = Guaynabo Municipio vs the state average
Infection Guaynabo Municipio Puerto Rico United States
Chlamydia
138.1 123 cases ▼ 15%
162.1 492.2
Gonorrhea
42.7 38 cases ▲ 15%
37 179.5
Syphilis (P&S)
3.4 3 cases ▼ 75%
13.6 15.8
Syphilis (early)
10.1 9 cases ▼ 48%
19.6 16
Syphilis (late/unknown)
13.5 12 cases ▼ 13%
15.6 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 Guaynabo Municipio over time (per 100,000)

Chlamydia ▲ 12% vs 2022
Chlamydia Gonorrhea Syphilis (P&S)
0 75 150 2020202120222023

Between 2020 and 2023 in Guaynabo Municipio, chlamydia has risen from 93.6 to 138.1 per 100,000 (48%), gonorrhea has risen from 7.8 to 42.7 per 100,000 (447%), and P&S syphilis has fallen from 4.5 to 3.4 per 100,000 (24%).

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 Guaynabo, PR

Below poverty line
32.5%
  • Primary-care shortage score 12 / 26

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 Guaynabo Municipio.

Local HIV snapshot

HIV in Guaynabo Municipio (2023)

People living with HIV
472 / 100k
New diagnoses (2023)
13cases countywide
PrEP users / 100k
42 · PnR 2.62

Guaynabo Municipio HIV care continuum (2023)

Guaynabo Municipio recorded 16.1 new HIV diagnoses per 100,000 (2023), against 13.5 statewide and 13.7 nationally. Among Guaynabo Municipio residents living with HIV, 72.8% are in care · 63.5% 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 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 Guaynabo Municipio tests for syphilis.

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

16 Sources

Local resources & officials

Data & references

About Guaynabo, PR

Guaynabo is a place where residents often prioritize stability, with a strong majority of homeowners enjoying a sense of permanence. This stability is reflected in the typical household, which is larger than many others, with multiple generations or family members often living together. For those who do rent, the cost can be significant, eating into household budgets and making it challenging to prioritize other expenses.

The local workforce is a mix of those who are steadily employed and others who face more uncertainty, with a notable share of households bringing in higher incomes. However, the area's rural spread and limited public transportation options can make it difficult for people to get where they need to go, including to appointments that might not be easily scheduled around work or family commitments. Younger adults, still forming relationships and establishing their careers, are particularly likely to be juggling multiple responsibilities and may find it hard to take time for health screenings.

In Guaynabo Municipio, staying current with health screenings can make a big difference in maintaining the well-being of its residents. With many households having multiple people to consider, getting tested can be a way to protect not just one's own health, but that of family members and loved ones.

Getting there

How residents reach STD testing in Guaynabo, PR

Walkability 3.5 / 20 · Least walkable

At 3.5/20 on the EPA walkability index, day-to-day errands in Guaynabo 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 7 STD & STI testing locations in Guaynabo, Puerto Rico, EasySTD

ZIP 00969 snapshot

Residents
41,619
Median age
45.3
Median income
$58,205

ZIP-level Census figures for the wider 00969 area around Guaynabo: a single ZIP can span several communities, so they describe the area, not Guaynabo alone.

Guaynabo sits in Guaynabo Municipio, ZIP 00969. Local context that shapes where residents test:

Local landmarks

  • Ruinas de Caparra
  • Coliseo de Puerto Rico José Miguel Agrelot
  • Museum of Transportation
  • Parque Nacional Julio Enrique Monagas
  • Parque Jesús Toribio Piñero

Neighborhoods & communities

  • Villa Lissette
  • Jardines de los Filtros
  • Granada Park
  • Oasis Gardens
  • Tierra Alta I
  • El Jardín
  • La Villa Gardens
  • Tierra Alta III

Major routes

  • PR-177 (Avenida Lomas Verdes)
  • Avenida Rafael Martínez Nadal
  • PR-20 (Expreso Rafael Martínez Nadal)
  • PR-17 (Avenida Jesús Toribio Piñero / Avenida Central)
  • PR-2 (Carretera Militar)

STD testing in Guaynabo, PR: screening, costs & privacy

Everything to know before you test in Guaynabo Municipio: the CDC's screening guidelines, each infection's detection window, per-test reference prices, and your privacy rights under Puerto Rico 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 Guaynabo-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

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 Guaynabo 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 Puerto Rico

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

Two things that actually depend on Puerto Rico 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 Puerto Rico, public health clinics provide confidential STI testing and treatment; ask the clinic directly about consent requirements for minors.

Can my partner be treated too? (EPT)

Expedited Partner Therapy (EPT) is potentially allowable in Puerto Rico: it is not expressly authorized, but not prohibited either. Ask your provider whether they will prescribe treatment for a partner without a separate visit.

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 Puerto Rico

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

STD testing FAQs for Guaynabo, PR

Answers to the questions people ask most before getting tested.

Can I get tested near Hacienda San Jose, PR instead?

Possibly, Hacienda San Jose, PR is close; compare it by distance against HealthproMed Caparra Terrace.

What does STD testing cost around Guaynabo, PR?

Public clinics are free; private labs ~$24–$139, at-home kits $49+.

Can I get tested in Guaynabo, PR without insurance?

Yes, community and public clinics test the uninsured, with sliding-scale fees.

Which tests are offered near Guaynabo, PR?

Local options test for Chlamydia, Gonorrhea, Syphilis, HIV, Hepatitis B, Hepatitis C, Herpes, Trichomoniasis, a full panel covers the common ones.

How common is chlamydia in Guaynabo Municipio?

About 138 cases per 100,000 residents (2023), below the Puerto Rico average.

Where do I get PrEP around Guaynabo, PR?

PrEP (HIV-prevention medicine for HIV-negative people) is available locally, any provider can prescribe it.

Can someone under 18 get tested in Puerto Rico without a parent?

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

I tested positive, what are the next steps?

Start treatment, tell recent partners so they can test, avoid sex until cleared, and retest if advised, most STIs resolve with care.

I tested negative, am I fully in the clear?

Likely yes, if you were past the window period; otherwise retest, and keep up routine screening with new partners.

Is drug-resistant gonorrhea a concern?

Resistance is rising, which is why the CDC advises a particular treatment; don't self-treat, get tested and treated correctly.

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