Codeine - An alkaloid of opium extracted from morphine. Codeine's effects resemble those of morphine but with only one-sixth to one-tenth of the analgesic action. Codeine is commonly found in cough medicine and minor prescription pain relievers.

Opiates - a major class of drugs that depress the central nervous system and are used principally to relieve pain. Examples include morphine, heroin, and codeine.

Ice - a slang term for smokeable methamphetamine, has a translucent rock-like appearance and is a highly addictive and toxic amphetamine.