Changes

'''Codeine''' is an opiate drug, primarily used in the management of mild-to-moderate pain. It occurs naturally in the sap of the [[opium]] poppy. The most common route of administration is oral via a pill, in which case the drug normally begins working within 30 minutes, although [[injection]] of codeine into a [[vein]] provides the quickest effects.  

'''Codeine''' is an opiate drug, primarily used in the management of mild-to-moderate pain. It occurs naturally in the sap of the [[opium]] poppy. The most common route of administration is oral via a pill, in which case the drug normally begins working within 30 minutes, although [[injection]] of codeine into a [[vein]] provides the quickest effects.  

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.  

Codeine is a prodrug of [[morphine]] (which also occurs naturally in opium) meaning it metabolises into morphine after administration.  

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.

[[Category:Painkillers]]

[[Category:Painkillers]]