Potentially lethal interaction of cimetidine and morphine.
D001049:Apnea / Q000139:chemically induced; D002927:Cimetidine / Q000009:adverse effects*; D004336:Drug Antagonism; D006146:Guanidines / Q000009:adverse effects*; D006801:Humans; D008297:Male; D008875:Middle Aged; D009020:Morphine / Q000009:adverse effects*
D006146:Guanidines; D009020:Morphine; D002927:Cimetidine