S5. Diuretics and Other Masking Agents
If a Substance or Method is not defined in this list, please verify with your Anti-Doping Organization.
Masking agents are prohibited. They include:
- diuretics
- desmopressin
- plasma expanders (e.g. glycerol; intravenous administration of albumin, dextran, hydroxyethyl starch and mannitol)
- probenecid
- and other substances with similar biological effect(s).
Local administration of felypressin in dental anaesthesia is not prohibited.
Diuretics include:
- acetazolamide
- amiloride
- bumetanide
- canrenone
- chlorthalidone
- etacrynic acid
- furosemide
- indapamide
- metolazone
- spironolactone
- thiazides (e.g. bendroflumethiazide, chlorothiazide, hydrochlorothiazide)
- triamterene
- and other substances with a similar chemical structure or similar biological effect(s) (except drospirenone, pamabrom and topical dorzolamide and brinzolamide, which are not prohibited).
The use In- and Out-of-Competition, as applicable, of any quantity of a substance subject to threshold limits (i.e. formoterol, salbutamol, cathine, ephedrine, methylephedrine and pseudoephedrine) in conjunction with a diuretic or other masking agent requires the deliverance of a specific Therapeutic Use Exemption for that substance in addition to the one granted for the diuretic or other masking agent.
If a Substance or Method is not found, please verify with your Anti-Doping Organization to ensure that this Substance or Method is not prohibited as a related Substance or Method that falls under an existing category.