Any process that stops, prevents or reduces the frequency, rate or extent of dense core granule exocytosis.
Synonyms:
exact_synonym:
down regulation of dense core granule exocytosis; down regulation of dense core vesicle exocytosis; downregulation of dense core granule exocytosis; downregulation of dense core vesicle exocytosis; negative regulation of dense core vesicle exocytosis
narrow_synonym:
inhibition of dense core granule exocytosis; inhibition of dense core vesicle exocytosis