Schedule I also includes marijuana, LSD, psilocybin, mescaline and heroin (though rules vary widely: heroin, for example, is available by prescription in Britain and some other countries).

• 第一表亦含大麻、LSD、裸盖菇碱、仙人球毒碱、海洛因（虽如此，然各地管制颇为不同，如在英国及若干余国，海洛因可为处方所用）。