Any process that stops, prevents, or reduces the frequency, rate or extent of isotype switching to IgE isotypes.
Synonyms:
exact_synonym:
down regulation of isotype switching to IgE isotypes; downregulation of isotype switching to IgE isotypes; negative regulation of class switch recombination to IgE isotypes; negative regulation of class switching to IgE isotypes; negative regulation of isotype switch recombination to IgE isotypes