Ketorolac is used for the short-term treatment of moderate to severe pain. It is usually used before or after medical procedures or after surgery. Reducing pain helps you recover more comfortably so that you can return to your normal daily activities. This medication is a nonsteroidal anti-inflammatory drug (NSAID).
3. Codeine (C18H21NO3) is a derivative of morphine that is used as an analgesic, narcotic, or antitussive. It was once commonly used in cough syrups but is now available only by prescription because of its addictive properties.. Codeine (C18H21NO3) is a derivative of morphine that is used as an analgesic, narcotic, or antitussive. It was once commonly used in cough syrups but is now available only by prescription because of its addictive properties.
The word morphine is derived from 'Morpheus' the god of dreams in Greek mythology. Chemical name for morphine is: (5 alpha, 6 alpha) 7,8 didehydro-4,5 epoxy-17methylmorphinan-â¦ 3,5diol. It is an opiate alkaloid and a constituent of opium which is the name given to the dried juice of the unripe seedpods of poppy flower (Papaveretum somniferum). Codeine and heroin are derivatives of morphine.   Codeine is methylmorphine and is well-known for its analgesic, anti-tussive and anti-diarrhoeal properties.