NCI Dictionary of Cancer Terms

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The NCI Dictionary of Cancer Terms features 7,804 terms related to cancer and medicine.

Browse the dictionary by selecting a letter of the alphabet or by entering a cancer-related word or phrase in the search box.

codeine phosphate
(KOH-deen FOS-fayt)
A drug used to treat pain, cough, and diarrhea. It is made from opium or morphine and binds to opioid receptors in the central nervous system. Codeine phosphate is a type of opiate, a type of analgesic agent, a type of antitussive agent, and a type of antidiarrheal agent.