Checked 2026-11-10. Independent clinical review has not been completed. WADAFUK is independent of WADA and does not provide medical advice or an individual anti-doping determination.
Prohibited at all times
2026 S3: prohibited at all times; Specified. No dose-based inhaled exception is stated for this substance. [1]
S3; printed p. 9 and relevant S5 note, p. 12 · 2026 rules apply from 1 January 2026. Any 2027 material below concerns future rules from 1 January 2027; it is not current clearance.
Medical context and formulations
Tretoquinol is also named trimetoquinol in WADA’s List. The Japanese PMDA Inolin label describes trimetoquinol hydrochloride hydrate inhalation solution for obstructive symptoms in bronchial asthma. [2]
- Product and jurisdiction specific; this is not an exhaustive brand, indication or route inventory.
Selected health warnings
The label warns about overuse-associated arrhythmia or cardiac arrest, cardiovascular conditions and severe potassium reduction. Product information in another jurisdiction must not be inferred from the Japanese formulation. [2]
- No treatment dose, device conversion or personal eligibility determination is provided.
What remains uncertain
- No exact ordinary-food or supplement-contamination pathway was established by the retained sources; this is a research limitation, not proof of absence.
Check the sources.
These are concise editorial paraphrases of selected sources, not a systematic review or a reproduction of source tables. Access depth is shown for each reference; an abstract-only check cannot resolve details found only in a full paper.
- WADA 2026 Prohibited List ↗Accessed 2026-11-10 · Relevant official full-text sections opened
Printed pp. 3, 9–12: introduction, S3, S4 and S5 as applicable
- PMDA Inolin trimetoquinol inhalation label ↗Accessed 2026-11-10 · Relevant document text opened
Relevant cited sections
Check the current official WADA List and the relevant anti-doping authority for your sport, product, route and circumstances. Do not stop or change necessary treatment based on this page. Ask a qualified clinician about health decisions. Missing evidence does not establish safety.