Assertion: opium's morphine | /r/CapableOf | avoid additive effects
Facets:
Source sentences:
text: Morphine should be administered cautiously to avoid additive effects when other central nervous system depressants, including other narcotic analgesics, general anesthetics, phenothiazines, tricyclic antidepressants, tranquilizers, sedatives, hypnotics, antiemetics, and alcohol are given concomitantly.