http://en.wikipedia.org/wiki/Codine
Codeine (INN) or methylmorphine is an opiate used for its analgesic, antitussive and antidiarrheal properties. It is marketed as the salts codeine sulfate and codeine phosphate.
Codeine is an alkaloid found in opium in concentrations ranging from 0.3 to 3.0 percent. While codeine can be extracted from opium, most codeine is synthesized from morphine through the process of O-methylation.
http://en.wikipedia.org/wiki/Hydrocodone
derived from two of the naturally occurring opiates, codeine and thebaine.
Hydrocodone can be habit-forming, and can lead to physical and psychological addiction. In the U.S., pure hydrocodone and forms containing more than 15 mg per dosage unit are considered Schedule II drugs. Those containing less than or equal to 15 mg per dosage unit in combination with acetaminophen or another non-controlled drug are called hydrocodone compounds and are considered Schedule III drugs. Hydrocodone is typically found in combination with other drugs such as paracetamol (acetaminophen), aspirin, ibuprofen and homatropine methylbromide.
http://en.wikipedia.org/wiki/Oxycodone
derived from codeine
sustained-release mechanism, is effective for eight to twelve hours
Chemical makeup. Different Uses...
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