Morphine and histamine release.
D018926:Anti-Allergic Agents; D000697:Central Nervous System Stimulants / Q000494:pharmacology*; D006632:Histamine; D006634:Histamine H1 Antagonists / Q000494:pharmacology*; D006636:Histamine Release; D009020:Morphine / Q000494:pharmacology*
D018926:Anti-Allergic Agents; D000697:Central Nervous System Stimulants; D006634:Histamine H1 Antagonists; D009020:Morphine; D006632:Histamine
ANALEPTICS/effects; ANTIHISTAMINICS/effects; HISTAMINE; MORPHINE/effects