Codeine: Uses, Effects, Dosage
(C18 H2, NO3 H3PO4 1/2 H2O) Codeine is known medically as methylmorphine. It is a drug derived from opium, a poppy plant. It was discovered in 1832 by French chemist Pierre-Jean Robiquet. Codeine constitutes about 0.5 to 2.5 percent of this plant substance. The drug has been in use since the early 1900’s and it…
