Chlamydia Testing

Best Chlamydia Test in Kathmandu — NAAT on the Right Specimen ~70% Silent · Site-Matched NAAT · Honest Window Periods

Chlamydia testing at Thamel Clinic — NAAT ~95% sensitivity on correct specimen, site-matched sampling, honest ~1–2 week window guidance, and treatment on positive.

Medically Reviewed Content

Reviewed by: STD Specialist (MBBS, MD - Medicine)

NMC Registration:

Last medical review: June 1, 2026

This content follows evidence-based medical guidelines and is regularly updated to reflect current medical practices.

Chlamydia Testing in Kathmandu

  • ~70% silent in women — dominant reason to test is that there are no symptoms.
  • NAAT ~95% — on correct specimen, detection rate is high.
  • Site-matched essential — urine cannot see throat or rectal infection.
  • Curable — a positive is treated correctly with partner management.

Chlamydia Testing Done Correctly

Chlamydia is commonest bacterial STI — and ~70% of infections in women (and a large fraction in men) are asymptomatic, meaning only reliable check is a test. The test is NAAT — molecular method that detects organism's genetic material — which on correct specimen is ~95% sensitive.

The specimen is part most often got wrong: urine detects urethral infection, but misses most throat and rectal infection. If your exposure included oral or anal sex, correct test is a swab from that site, not a urine sample — site-matched testing is difference between a screen that covered exposure and one that silently missed it.

And timing matters: NAAT is reliable from roughly ~1–2 weeks after exposure — a test at a few days is too early. A negative inside window is inconclusive; right answer is a retest at right interval.

The Test — NAAT on the Right Specimen

Chlamydia is diagnosed by NAAT — nucleic acid amplification — which detects organism's DNA. On correct specimen it is ~95% sensitive and very specific. The specimen choice is what makes it right test for your exposure: first-catch urine for urethral infection; cervical or vaginal swab for women; throat swab for oral exposure; rectal swab for anal exposure.

The specimen decision is made with clinician — you say what exposure involved and specimen is matched to it. Patients who only ever had urine testing after oral or anal exposure were tested for wrong site — test was accurate for what it saw and silent on what it could not.

NAAT ~95%

High sensitivity and specificity on correct specimen.

Site-Matched

Urine for urethral; swabs for throat and rectal exposures.

~1–2 Week Window

Reliable from ~1–2 weeks after exposure — earlier is too soon.

The Specimen Decides

A urine "negative" says nothing about throat or rectum.

Who Should Be Tested

Test after: unprotected sex with a new or non-exclusive partner, a partner diagnosed or disclosing chlamydia, symptoms (discharge, dysuria, pelvic or testicular pain, post-coital or intermenstrual bleeding), and routinely — ~3–6 months with ongoing risk, annually as a baseline for sexually active adults.

In women, testing matters more because stakes are higher — untreated chlamydia ascends to PID in ~10–15%, causing tubal damage, infertility and ectopic-pregnancy risk. In men, urethritis and epididymitis are complications. And in pregnancy, untreated chlamydia transmits to newborn at delivery — neonatal eye and lung infection.

After Exposure

New or non-exclusive partners; ~1–2 weeks for reliable detection.

Partner Diagnosis

A partner diagnosed — you need testing and usually treatment.

Women Especially

Untreated — PID in ~10–15%, tubal damage, ectopic risk.

Pregnancy

Neonatal transmission risk — screening is part of prenatal care.

Results & What They Mean

Negative after window: chlamydia was not detected at sites tested — for a urine test, that is urethral site specifically. A negative inside window needs a repeat.

Positive: chlamydia is treated — a short antibiotic course, abstinence until partners are treated, and partner notification/testing which is essential because an untreated partner reinfects. Retesting ~3–4 weeks after treatment confirms clearance where indicated, and ~3 months for reinfection surveillance where recommended.

Negative

Interpreted against window and site — too early or wrong-site needs a repeat.

Positive → Treated

A short antibiotic course — curable.

Partner Essential

Partners tested and treated — otherwise reinfection (~10%+).

Retest Guidance

~3–4 week test-of-cure where indicated; ~3 months for surveillance.

Complete Care

Chlamydia testing rarely exists alone — it is usually part of a broader assessment: gonorrhea NAAT ( two travel together and are typically tested together), HIV and syphilis screening, and where indicated extragenital-site coverage that completes picture.

The pathway closes loop: a positive is treated at same visit with partner guidance; a negative inside window is given a repeat date; and reinfection-prevention advice — partner treatment, the ~3-month retest — is stated so result actually protects you.

Usually Combined

CT+GC NAAT plus HIV and syphilis — standard panel.

Same-Visit Treatment

A positive is treated at consultation — not referred away.

Partner the Key

Partner care is what prevents the ~10% reinfection.

Follow-Up

Test-of-cure and surveillance intervals explained.

Chlamydia Testing & Costs

ServiceWhat It IncludesCost (NPR)
ConsultationAssessment of exposure and sitesRs. 450
Chlamydia NAATSite-matched — urine or swabsLab rate
Full panelCT+GC+HIV+syphilis where indicatedLab rate
TreatmentAntibiotic course plus partner managementPer case

Transparent pricing; confirm when booking.

Why Thamel Clinic for Chlamydia

  • Site-matched — right specimen for exposure; urine-only screening explained honestly.
  • ~95% NAAT — correct molecular method.
  • Window honest — ~1–2 week timing stated plainly.
  • Complete — positive → treatment + partner care + follow-up.
  • Confidential — private testing and results.

Frequently Asked Questions

How soon after sex can I test for chlamydia?

~1–2 weeks for a reliable NAAT result — earlier may be too soon and need a repeat.

Does a urine test cover everything?

No — urine detects urethral infection only; throat and rectal exposures need swabs.

Is chlamydia curable?

Yes — a short antibiotic course; partner is treated too to prevent reinfection.

Why test if I have no symptoms?

~70% of infections in women are silent; untreated chlamydia damages fertility — testing is only check.

Does my partner need treatment?

Yes — partners are tested and usually treated; treating only yourself invites reinfection.

Is test confidential?

Yes — private testing and results throughout.

Still have questions? Contact us or book an appointment for personalized guidance.

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Last Updated: October 19, 2026 |Clinic: Thamel Clinic |Licensed: Registered

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