- Schedule II drugs, such as morphine, opium, and meperidine (Demerol), have a high abuse potential, but currently have accepted medical uses. Their use may lead to physical or psychological dependence.
- Schedule III drugs, such as paregoric and butabarbital (Butisol), have a lower abuse potential than Schedule I or II drugs. Abuse of Schedule III drugs may lead to moderate or low physical or psychological dependence, or both.
- Schedule III drugs, such as paregoric and butabarbital (Butisol), have a lower abuse potential than Schedule I or II drugs. Abuse of Schedule III drugs may lead to moderate or low physical or psychological dependence, or both.