Rugby Australia says Waratahs player Henry O’Donnell is serving an 18-month suspension following a doping rule violation. The suspension is linked to an anti-doping test in which O’Donnell returned a positive result for two prohibited substances. Rugby Australia states the substances are found in ADHD medication, and it describes the violation as unintentional. According to the reports, O’Donnell’s case involves two banned ingredients associated with ADHD treatment, leading to the period of ineligibility. The three outlets report the same core details: the player, the length of the suspension, and that the prohibited substances come from ADHD medication. The information presented is based on Rugby Australia’s disclosure, and the coverage focuses on the official explanation that the breach is unintentional rather than deliberate. None of the sources provide additional outcomes such as appeal decisions or changes to the suspension term.