All information below is available on the IJF Clean Judo website under Prohibited List.
The 2024 Prohibited List also contains:
For a substance or method to be added to the List, it must be determined that it meets at least two of the following three criteria:

Major modifications for 2024
All Major Modifications for 2024 are outlined in the 2024 Summary of Major Modifications and Explanatory Notes, including the following particular information regarding tramadol:
On 23 September 2022, the ExCo endorsed the recommendation by WADA’s List Expert Advisory Group to prohibit the narcotic TRAMADOL in competition, effective 1 January 2024.
The Therapeutic Use Exemption Program
It should be noted that for athletes who have a legitimate medical reason for using a prohibited substance or method that is on the List, they can apply for a Therapeutic Use Exemption (TUE) to determine whether they meet the criteria outlined in the International Standard for Therapeutic Use Exemptions (ISTUE).
Languages and Formats
The 2024 Prohibited List; the 2024 Summary of Modifications and Explanatory Notes; and the 2024 Monitoring Program are available for download on WADA’s website in English, French and Turkish with other languages to follow in the coming weeks.