Athletes are responsible for everything they ingest – food, drink, vitamins and other food supplements, medications.
Players (badminton / para-badminton) may become ill or have conditions that require them to take medications. If an athlete is required to take medications and the medications contain substances which are on the WADA Prohibited List, the athlete must apply for a Therapeutic Use Exemption (TUE).
This may give that athlete the authorization to take the medications that he/she requires.
The athlete must complete a TUE application process to apply for authorization to take medications if they contain Prohibited Substances, before they take the medications (unless there is an emergency situation).
The following links to the WADA website will assist you.