Does Trazodone Show Up on Urine test?

Evidence-based answer reviewed against SAMHSA cutoffs and FDA assay documentation · Updated August 2026

Quick answer: On a urine test, Trazodone typically registers for screen interference window ~2–4 days post-dose after last use. ('Urine remains the employment default because it balances cost, window-length and legal defensibility. Metabolite CONCENTRATIONS (not presence/absence) decide results against cutoff tables, which is why hydration status moves numbers and why validity checks (creatinine, specific gravity) police dilution attempts.',)

How urine testing catches Trazodone

('Urine remains the employment default because it balances cost, window-length and legal defensibility. Metabolite CONCENTRATIONS (not presence/absence) decide results against cutoff tables, which is why hydration status moves numbers and why validity checks (creatinine, specific gravity) police dilution attempts.',)

Not directly screened; cross-reacts on some amphetamine immunoassays.

Compare all specimens

Ranges reflect occasional-to-heavy use patterns from FDA device inserts and SAMHSA-certified lab conventions.
Test typeTypical Trazodone detection window
Urineany: screen interference window ~2–4 days post-dose
Saliva (Mouth Swab)any: n/a (indirect)
Hair Folliclesn/a
Bloodany: n/a

Context worth knowing

Trazodone doesn't get tested FOR — it can cause amphetamine-strip screen positives in documented case reports. Confirmation testing (GC–MS) shows no amphetamine and closes the loop.

If you take trazodone nightly and receive an unexpected amphetamine screen flag, invoke the MRO review immediately and list trazodone.

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Medical disclaimer: DrugPanels provides educational information about laboratory drug testing and does not offer medical advice, diagnosis, or treatment. Detection windows are population ranges — individual results vary with metabolism, dose, frequency and health status. Never stop prescribed medication to pass a test without talking to your prescriber. Affiliate disclosure: some links on this page are affiliate links; if you order through them we may earn a commission at no additional cost to you.

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Does Trazodone Show up on a Urine Drug Test?

No — standard employment panels don't include Trazodone. Only specialized orders reach it.

Does Trazodone Show up Urine Drug Test?

No — standard employment panels don't include Trazodone. Only specialized orders reach it.

Do prescriptions count against me?

No — verified prescriptions report as negative through the Medical Review Officer. Declare medications at collection and answer the follow-up call.

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Sources & further reading

  • SAMHSA — Mandatory Guidelines for Federal Workplace Drug Testing Programs (cutoffs, MRO process)
  • DOT — 49 CFR Part 40 procedures for transportation workplace testing
  • Brahm NC et al., Mayo Clinic Proceedings 2008;83(1):66–76 — false-positive cross-reactivity reference
  • FDA — drug-of-abuse test device labeling (detection window conventions)