negative regulation of primary amine oxidase activity
Known as: down-regulation of primary amine oxidase activity, downregulation of primary-amine:oxygen oxidoreductase (deaminating) activity, down-regulation of primary-amine:oxygen oxidoreductase (deaminating) activity
Any process that stops, prevents or reduces the frequency, rate or extent of primary amine oxidase activity. [GOC:TermGenie, PMID:23349812]