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Salivary nitric oxide: biomarker evidence

Salivary nitric oxide appears in 1 entry of the OSMF biomarker atlas, covering PACVS. Across those entries it is reduced in 1. It is currently reported in a single condition in this atlas; cross-condition comparison will be added as the dataset grows. Each row below links to a page with the comparison group, associated symptoms, test details and primary citation.

PACVS

Where Salivary nitric oxide is reported

Also listed as: Enterosalivary NO pathway

ConditionDirectionCompared againstAssociated symptomsSource
PACVS↓ reducedhealthy controlsReduced NO bioavailabilityHalma 2024

Frequently asked questions

In which conditions is Salivary nitric oxide altered?

In the OSMF atlas Salivary nitric oxide is reported in PACVS. It is reduced in 1 across 1 entries.

Is there a standard clinical test for Salivary nitric oxide?

The atlas entries for Salivary nitric oxide do not carry a LOINC code, which usually means the marker was measured with research assays or study-specific methods rather than a routine clinical panel.

Is one abnormal Salivary nitric oxide result diagnostic?

No single biomarker result is diagnostic of any of these conditions. Findings reflect group averages from published cohorts with substantial overlap between patients and controls.

Cite this page

Open Source Medicine Foundation. (2026). Salivary nitric oxide across conditions: biomarker evidence. OSMF Research Tracker. Retrieved October 7, 2026, from https://research.opensourcemed.info/biomarkers/markers/salivary-nitric-oxide.html
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Last reviewed: 2026-06-30 · Browse: Biomarker Index · All marker pages · Biomarker Atlas

Disclaimer: Educational synthesis of peer-reviewed research; not medical advice. Findings are group-level and vary with study design. Discuss any result with a qualified clinician.