Opiate

Opiates are a class of drugs that are derivatives (in the broadest sense of the word) of opium. These include basically two groups of alkaloids: phenanthrenes? and papaverines?. Opiates in the narrower sense of the word are only the phenanthrenes?.

Phenanthrenes?:

Naturally occurring in opium:

• Morphine
• Codeine?

Semisynthetic? derivatives:

• Heroin
• Hydromorphone?
• Oxymorphone?
• Hydrocodone?
• Oxycodone?

Fully synthetic?:

Phenylheptylamines?:

• Methadone?
• levomethadyl acetate hydrochloride (LAAM)

Phenylpiperidines?:

• Meperidine?
• Fentanyl?

A high number of opiates are considered to be highly addictive.

See also nootropics