Prohibited substances

The Prohibited List

Photo of printed Prohibied List, a green and white document.

The Prohibited List is published by the World Anti-Doping Agency (WADA). It details all substances and methods that are prohibited or banned in sport, and is updated every year on January 1.

A substance or method may be included on the list if it meets any two of the following criteria:

  • it has the potential to enhance sporting performance
  • it presents an actual or potential health risk to the athlete
  • it violates the spirit of sport.

The information below gives you an overview of the kinds of substances and methods that are banned in sport, but we advise you to check the full WADA 2022 Prohibited List (PDF).

2023 Prohibited List changes

WADA have published the 2023 Prohibited List, which will enter into force on 1 January 2023.  

  • Highlighted updates: Tramadol will be prohibited in competition from January 2024

Read a summary of the 2023 changes on our blog

Earlier updates

  • All glucocorticoid (GC) injections are prohibited in competition.
  • Permitted salbutamol dosage is 600 micrograms over 8 hours.

Get information on GC injections

Wallet Guide 2022

Our Wallet Guide is a handy reminder about 2022 rules around common medications and other clean sport info.


Even common medications can contain prohibited substances. That's why we advise athletes to check every medication on Global DRO before using it - it's the best way to keep safe.

Get info on medications and Global DRO.

Questions about common medications?

You can find information about common medications like asthma inhalers, cold and flu treatments or pain medication on our common medications page.

Check common medications

Find out more