Prohibited Lists, Medications, and Competition Timing

Athletes are responsible for understanding whether their medications and treatments are permitted under the rules that govern them. The answer can change with the active ingredient, route, dose, competition period, sport, and testing authority. A medication that is permitted out of competition may be prohibited in competition, while another may be subject to a dose or route condition.

Use the correct list and effective date

World Anti-Doping Agency rules use an annually updated Prohibited List. The 2026 list is effective January 1, 2026. It separates substances and methods prohibited at all times from those prohibited in competition and those prohibited only in particular sports. Future-year lists may be published before they take effect, so confirm which edition applies on the date of use and competition.

Check active ingredients, not marketing names

Products sold under similar names can contain different ingredients in different countries or formulations. Read the current package label and prescription record. Check each active ingredient, including ingredients in combination cold, pain, sleep, allergy, and attention medications. When searching a medication database, record the country, route, and reference number.

Understand in-competition status

Under the WADA framework, the in-competition period generally begins at 11:59 p.m. on the day before a competition and runs through the competition and sample-collection process, unless WADA approves a different period for a sport. An athlete should not calculate a personal “washout” period from an internet detection table. Pharmacology, formulation, metabolism, dose, and repeated use create uncertainty. Ask the appropriate anti-doping organization for guidance.

Route and dose can change the answer

Some substances have route-specific or dose-specific conditions. Inhaled, oral, injected, topical, and local treatments may not have the same status. The fact that a medication was prescribed does not automatically make it permitted. Conversely, the presence of a listed ingredient does not always mean every route is prohibited.

What to do before treatment

  1. Tell the clinician and pharmacist that you are subject to sport anti-doping rules.
  2. Identify the governing organization and competition level.
  3. Check every active ingredient using an official medication-status resource.
  4. Save the result, date, country, and reference number.
  5. If prohibited or conditional, contact the governing organization and review TUE requirements.

Emergency and urgent care

Do not withhold medically necessary emergency treatment. Preserve discharge instructions, medication administration records, diagnostic findings, and clinician notes. Notify the correct anti-doping organization as soon as reasonably possible because retroactive TUE rules are limited and documentation matters.

Supplements are different

Medication databases generally assess drugs and their ingredients, not the full contents of dietary supplements. A “not prohibited” result for a listed ingredient does not certify the finished supplement. Review supplement contamination and labeling risk.

Primary sources

Return to Sports Drug Testing and Anti-Doping.