Codeine is a Class B drug in the UK, although it may be purchased in [[Pharmacy|pharmacies]] in low doses.
Codeine is a Class B drug in the UK, although it may be purchased in [[Pharmacy|pharmacies]] in low doses.
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Codeine is a prodrug of [[morphine]] (which also occurs naturally in opium) meaning it metabolises into morphine after administration. Recreational users of illegal opiates, such as heroin, may use codeine to ward off opiate withdrawals (among other opiates such as [[methadone]], and other drugs including [[vallium]] and [[alcohol]]) when the user's preferred drug can't be obtained.
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Codeine is a prodrug of [[morphine]] (which also occurs naturally in opium) meaning it metabolises into morphine after administration. Recreational users of illegal opiates, such as heroin, may use codeine to ward off opiate withdrawals (among other opiates such as [[methadone]], and other drugs including [[vallium]] and [[alcohol]]) when the user's preferred drug can't be obtained. Codeine syrup is the main ingredient in the illegal, recreational, [[soda]]-like drug lean, a party drug that rose to prominence in the 1990s with hip hop culture.