Schedule 8, often written as S8, is a classification within the Australian Poisons Standard denoting Controlled Drugs. Substances in this category are subject to stringent controls on prescribing, dispensing, storage and record-keeping, reflecting their recognised potential for dependence or misuse.
Medicinal products containing tetrahydrocannabinol above defined thresholds are typically classified under Schedule 8. Access to such products in Australia generally requires prescribing through regulated pathways and may involve additional state or territory permits.
Schedule 8 is presented here as a regulatory definition denoting the highest routine level of control applied to therapeutic substances in the Australian framework.